A construction site needs to dig a cuboid pit with a length of 60 meters, a width of 20 meters and a depth of 50 centimeters. How much earth should be dug out?
建筑工地要挖一个长60米，宽20米，深50厘米的长方体土坑，挖出多少方土？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">60 * 20 * (1/2)</gadget>
<output>600</output>

<result>600</result>