A conical wheat pile has a base circumference of 12.56 meters and a height of 1.5 meters. If each cubic meter of wheat weighs about 750 kilograms, how many tons does this pile of wheat weigh? (Retain integers)
一个圆锥形的麦堆，底面周长是12.56米，高1.5米．如果每立方米小麦大约重750千克，这堆小麦大约重多少吨？(得数保留整数)
<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">(1/3) * 3.14 * 4 * 1.5</gadget>
<output>6.28</output>

<gadget id="calculator">6.28 * 750</gadget>
<output>4_710</output>

<result>4_710</result>