A construction site needs to dig a cuboid pit with a length of 50 meters, a width of 30 meters, and a depth of 5 meters. If a car transports 15 cubic meters of sand each time, how many times will it take to unload it?
一个建筑工地要挖长50米，宽30米，深5米的长方体土坑，一辆汽车每次运送15立方米的沙土，至少需要多少次才能解运完？
<gadget id="calculator">5 / 15</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">50 * 30 * (1/3)</gadget>
<output>500</output>

<result>500</result>