A truck box is a cuboid with a length of 4 meters, a width of 1.5 meters, and a height of 4 meters. Fill a truck full of sand and unload it to form a cone with a height of 1.5 meters. What is the area of its bottom in square meters?
一辆货车箱是一个长方体，它的长是4米，宽是1.5米，高是4米．装满一车沙，卸后沙堆成一个高是1.5米的圆锥形，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">4 / (1/3) / 1.5</gadget>
<output>8</output>

<gadget id="calculator">4 * 1.5 * 8</gadget>
<output>48</output>

<result>48</result>