A lady bought a 4-metre piece cloth to tailor a dress. If the tailor used 386 centimetres only, how much cloth is left in centimetres?
Step 1: Convert 4 metres to centimetres.
1 metre = 100 centimetres. So,
Step 2: Subtract 386 centimetres from 400 centimetres.
So, 14 centimetres of cloth are left.