A watermelon weighing 4 kilograms is distributed to 20 children on average. What fraction of the watermelon does each person get?
一个4千克重的西瓜，平均分给20个小朋友，每人分得这个西瓜的几分之几？
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>