To make 120 cylindrical cans with a height of 10 centimeters and a bottom diameter of 6 centimeters, how many square centimeters of alloy material is required?
做120个高是10厘米，底面直径是6厘米的圆柱形易拉罐，大约需要合金材料多少平方厘米？
<gadget id="calculator">3.14 * 6 * 10</gadget>
<output>188.4</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 2</gadget>
<output>56.52</output>

<gadget id="calculator">188.4 + 56.52</gadget>
<output>244.92</output>

<gadget id="calculator">244.92 * 120</gadget>
<output>29_390.4</output>

<result>29_390.4</result>