A cylindrical grain storehouse has a bottom circumference of 25.12 meters and a height of 1.5 meters. Each cubic meter of grain weighs 0.95 tons. How many tons does this pile of grain weigh?
一个圆柱体粮屯，底面周长是25.12米，高1.5米，每立方米的粮食重0.95吨，这堆粮食重多少吨？
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 1.5</gadget>
<output>75.36</output>

<gadget id="calculator">75.36 * 0.95</gadget>
<output>71.592</output>

<result>71.592</result>