function solve() {
    let [generate, buy] = document.getElementsByTagName("button")
    generate.addEventListener("click", () => {
        let products = JSON.parse(document.querySelectorAll("textarea")[0].value)

        products.forEach(product => {
            let { name, img, price, decFactor } = product
            let tr = `<tr>\n
            <td><img src=${img}></td>\n
            <td><p>${name}</p></td>\n
            <td><p>${price}</p></td>\n
            <td><p>${decFactor}</p></td>\n
            <td><input type="checkbox"/></td>\n
            </tr>`
            document.querySelectorAll("tbody")[0].insertAdjacentHTML("beforeend", tr)
        })
        document.querySelectorAll("textarea")[0].textContent=""
    })
    document.querySelectorAll("textarea")[0].value = ""
    buy.addEventListener("click", () => {
        let [products, prices, factors] = [[], [], []]
        Array.from(document.getElementsByTagName("input")).forEach(x => {
            if (x.checked) {
                let parentElement = x.parentElement.parentElement
                let [name, price, factor] = parentElement.querySelectorAll("td p")
                name = name.textContent
                price = Number(price.textContent)
                factor = Number(factor.textContent)

                products.push(name)
                prices.push(price)
                factors.push(factor)
            }
        })
        let totalPrice = prices.reduce((a, b) => a + b, 0)
        let factorial = factors.reduce((a, b) => a + b, 0) / factors.length
        document.querySelectorAll("textarea")[1].textContent = `Bought furniture: ${products.join(", ")}\nTotal price: ${totalPrice.toFixed(2)}\nAverage decoration factor: ${factorial}`
    })
}