Dad's weight is 4 times that of Xiao Hua's. Dad's weight is 80 kg. How much is Xiao Hua's weight in kg?
爸爸的体重是小花的4倍，爸爸的体重是80千克，小花的体重是多少千克
<gadget id="calculator">80 / 4</gadget>
<output>20</output>

<result>20</result>