A cylindrical pool has a base radius of 4 meters measured from the inside and a depth of 1.2 meters. How many tons of water can the pool hold? (1 ton per cubic meter of water)
一个圆柱形水池，从里面量底面半径为4米，深1.2米．水池能装水多少吨？(每立方米水重1吨)
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 1.2 * 1</gadget>
<output>60.288</output>

<result>60.288</result>