remainder

用7除以2，商是3，余数是1。

If you divide 7 by 2, the quotient is 3 and the ___remainder is 1.

他喝了半瓶果汁，把剩下的放回冰箱。

He drank half the juice and put the ___remainder back in the fridge.

计算除法时，余数可以帮助我们确认结果是否正确。

When doing division, the ___remainder can help verify if the result is correct.