truck compartment is a cuboid with a length of 4 meters, a width of 1.5 meters, and a height of 4 decimeters. It is filled with a truckload of sand and unloaded to form a cone with a height of 5 decimeters. The area of its bottom is How many square meters is it?
一辆货车车厢是一个长方体，它的长是4米，宽是1.5米，高是4分米，装满一车沙，卸后堆成一个高是5分米的圆锥形，它的底面积是多少平方米？
<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/3) * (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(2/5) / (1/6)</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">4 * 1.5 * (12/5)</gadget>
<output>14.4</output>

<result>14.4</result>