A train carriage is a cuboid with a length of 4 meters, a width of 1.5 meters, and a height of 4 meters. It is filled with a truckload of sand. After unloading, the sand is piled into a conical sand pile with a height of 5 meters. Its What is the area of the base in square meters?
一辆火车车厢是一个长方体，它的长是4米，宽是1.5米，高是4米，装满一车沙，卸后将沙堆成一个高是5米的圆锥形沙堆，它的底面积是多少平方米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 5</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">4 / (5/3)</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>