Goal and options: To determine the appropriate length of leather bracelet using an old leather belt.
output answer: Cut the leather belt in the appropriate length by measuring the circumference of your leg and then subtracting 5cm.

Goal and options: To put many different songs on a blank CD,
output answer: put the songs on a computer and then burn them onto a CD.

Goal and options: Easily clean grease off backsplash tiles behind stove.
output answer:
Coat tiles with car wax.