Mom stewed a cup of soup. This stewing pot is cylindrical, and the diameter and height of the bottom surface measured from the inside are both 20 cm. My mother said that each person should drink a bowl of stewed soup (about 500ml). This full cup of soup is about enough for how many people can drink. (π takes 3)
妈妈炖了一盅汤．这个炖盅是圆柱形的，从里面量得底面直径和高都是20厘米．妈妈说每人喝一碗炖汤(约500毫升)，这满满的一盅汤大约够多少人喝．(π取3)
<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3 * 100 * 20</gadget>
<output>6_000</output>

<gadget id="calculator">6_000 / 500</gadget>
<output>12</output>

<result>12</result>