A cuboid sandpit has been newly built on the school playground, which can be used by students to practice long jump. This bunker is 5 meters long and 3 meters wide. Now, a pile of conical sand with a bottom area of 15 square meters and a height of 1.2 meters is spread in it. How many centimeters can be laid?
学校运动场上新建了一个长方体沙坑，它可供同学们练习跳远．这个沙坑长5米，宽3米，现将一堆底面积是15平方米，高是1.2米的圆锥形沙子全部铺在里面，可以铺多少厘米厚？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">1.2 / 15</gadget>
<output>0.08</output>

<gadget id="calculator">(1/3) * 15 * 0.08 * 100</gadget>
<output>40</output>

<result>40</result>