A Jiaduobao box has a diameter of 60 mm and a height of 110 mm. What is its volume? (results are kept as integers)
一个加多宝盒子直径为60毫米，高为110毫米，他的体积是多少？(结果保留整十数)
<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">30 ** 2</gadget>
<output>900</output>

<gadget id="calculator">3.14 * 900 * 110</gadget>
<output>310_860</output>

<result>310_860</result>