A cylindrical cistern has a bottom circumference of 9.42 meters and a height of 2.4 meters. It is known that 1 cubic meter of water weighs 1 ton, how many tons of water can this reservoir hold?
一个圆柱形蓄水池，底面周长是9.42米，高2.4米．已知1立方米的水重1吨，这个蓄水池可蓄水多少吨？
<gadget id="calculator">9.42 / 3.14 / 2</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 ** 2</gadget>
<output>2.25</output>

<gadget id="calculator">3.14 * 2.25 * 2.4 * 1</gadget>
<output>16.956</output>

<result>16.956</result>