//drill 1

function computeArea(width, height) {
  return width * height;
}


// drill 2

function celsToFahr(celsTemp) {
  return celsTemp * 1.8 + 32;
}

function fahrToCels(fahrTemp) {
  return (fahrTemp - 32) / .56;
}


function isDivisible(divisee, divisor) {
  return divisee % divisor === 0;
}