Divide 4 cakes equally among 7 children, how many cakes each will get.
把4块饼平均分给7个小朋友，每人分得多少块．
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<result>4/7 = around 0.571429</result>