A conical sand pile has a base area of 25 square meters and a height of 1.2 meters. Use this pile of sand to fill a cuboid bunker 10 meters long and 4 meters wide. What is the thickness of the sand in the bunker?
一个圆锥形沙堆，底面积是25平方米，高是1.2米．用这堆沙子去填一个长10米，宽4米的长方体沙坑．沙坑里沙子的厚度是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">1.2 / 40</gadget>
<output>0.03</output>

<gadget id="calculator">(1/3) * 25 * 0.03</gadget>
<output>0.25</output>

<result>0.25</result>