A cone-shaped wheat pile with a base circumference of 12.56 meters and a height of 1.5 meters. Each cubic meter of wheat weighs about 700 kilograms. How many tons does this pair of wheat weigh?
一个圆锥形状的小麦堆，底面周长12.56米，高1.5米．每立方米小麦大约重700千克，这对小麦约重多少吨．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">700 / 1_000</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.5 * (7/10)</gadget>
<output>4.396</output>

<result>4.396</result>