There are 36 children in the kindergarten, each child eats (1/2) piece of moon cake, how many moon cakes they ate in total.
幼儿园有36个小朋友，每个小朋友吃(1/2)块月饼，一共吃了多少个月饼．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 36</gadget>
<output>18</output>

<result>18</result>