A truck compartment is a cuboid with a length of 4 meters, a width of 2 meters and a height of 1.5 meters. Fill it with sand and unload it to form a cone with a height of 2 meters. What is the area of the bottom of this pile of sand in square meters?
一辆货车车厢是一个长方体，它的长是4米，宽是2米，高是1.5米．用它装满沙子，卸下沙子堆成一个高是2米的圆锥体，这堆沙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) * 2</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1.5 / (2/3)</gadget>
<output>2.25</output>

<gadget id="calculator">4 * 2 * 2.25</gadget>
<output>18</output>

<result>18</result>