Divide 2 pizzas among 5 children on average, how many pizzas did each child eat?
把2只匹萨饼平均分给5个小朋友吃，每个小朋友吃到了多少个匹萨饼．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 * (1/5)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>