function solve() {

  let [generateTextArea, buyTextArea] = Array.from(document.getElementsByTagName("textarea"))
  let [generateBtn, buyBth] = Array.from(document.getElementsByTagName("button"))

  let tableBody = document.getElementsByTagName("tbody")[0]

  generateBtn.addEventListener("click", generateHandler)
  buyBth.addEventListener("click", buyHandler)

  function generateHandler(){
    let Items = JSON.parse(generateTextArea.value)

    for (const item of Items) {
      let newTr = document.createElement("tr")

      let tdForImg = document.createElement("td")
      let theImg = document.createElement("img")
      theImg.setAttribute("src", item.img)
      tdForImg.appendChild(theImg)
      newTr.appendChild(tdForImg)

      let tdForName = document.createElement("td")
      let theP = document.createElement("p")
      theP.textContent = item.name
      tdForName.appendChild(theP)
      newTr.appendChild(tdForName)

      let tdForPrice = document.createElement("td")
      let newP = document.createElement("p")
      newP.textContent = item.price
      tdForPrice.appendChild(newP)
      newTr.appendChild(tdForPrice)

      let tdForDecFactor = document.createElement("td")
      let finalP = document.createElement("p")
      finalP.textContent = item.decFactor
      tdForDecFactor.appendChild(finalP)
      newTr.appendChild(tdForDecFactor)

      let tdForInput = document.createElement("td")
      let input = document.createElement("input")
      input.type = "checkbox"
      tdForInput.appendChild(input)
      newTr.appendChild(tdForInput)

      tableBody.appendChild(newTr)
    }
  }

  function buyHandler(){

    let boughtFurniture = []
    let totalPrice = 0
    let totalDecorationFactorSum = 0

    let trArray = tableBody.children

    for (const tr of trArray) {

      let children = tr.children
      let tdForInput = children[4]
      let inputCheckbox = tdForInput.children[0]

      if (inputCheckbox.checked){

        let tdForName = children[1]
        let name = tdForName.children[0].textContent
        boughtFurniture.push(name)

        let tdForPrice = children[2]
        let price = Number(tdForPrice.children[0].textContent)
        totalPrice += price

        let tdFroAvFactor = children[3]
        let avFactor = Number(tdFroAvFactor.children[0].textContent)
        totalDecorationFactorSum += avFactor
      }
    }

    let ADF = totalDecorationFactorSum / boughtFurniture.length

    buyTextArea.value = `Bought furniture: ${boughtFurniture.join(", ")}` + "\n" + `Total price: ${totalPrice.toFixed(2)}` + "\n" + `Average decoration factor: ${ADF}`

  }

}