Chángfāngxíng de miànjī děngyú cháng chéngyǐ kuān.
The area of a rectangle equals its length times its width.
Tips
mistakes
The four operations are read 加 'plus', 减 'minus', 乘以 'times' and 除以 'divided by'. Watch the order with 除: 六除以二 is 6 ÷ 2, but 二除六, without 以, also means 6 ÷ 2.