The box of a truck is a cuboid with a length of 4m, a width of 1.5m, and a height of 4m (measured from the inside). A truck full of sand is unloaded to form a cone with a height of 3m. What is its base area?
一辆货车车箱是长方体，它的长是4m、宽是1.5m、高是4m(从里面量)．装满一车沙子，卸车后沙子堆成一个高是3m的圆锥形．它的底面积是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4 / (1/3) / 3</gadget>
<output>4</output>

<gadget id="calculator">4 * 1.5 * 4</gadget>
<output>24</output>

<result>24</result>