When calculating 16/5, if there is still a remainder at the end of the dividend, add 0 to the end of the dividend, and continue to divide, that is, calculate the dividend 16 as a decimal number.
计算16/5时，除到被除数的末尾仍然有余数，就在被除数的后面添0，继续除，即把被除数16看作小数多少来计算．
<result>16</result>