After the autumn harvest, there is a cone-shaped rice pile on the rice drying field. The circumference of the bottom is 31.4m, the height is 1.2m, and the weight of rice per cubic meter is 750 kg. How many tons does this pile of rice weigh?
秋收后，晒谷场上有一个圆锥体稻谷堆，量得底面周长是31.4m，高是1.2m，每立方米稻谷重750千克，这堆稻谷重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">750 / 10 / 1_000</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 1.2 * (3/40)</gadget>
<output>2.355</output>

<result>2.355</result>