A cylindrical steel pipe with a volume of 120 decimeters is forged into a steel block of a cone with a height of 10 decimeters. What is the area of the bottom of the cone?
将一个体积为120立方分米的圆柱体钢管，锻造成一个高10分米的圆锥体钢块，圆锥的底面积是多少平方分米？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">120 * (3/10)</gadget>
<output>36</output>

<result>36</result>