A cuboid soil pit needs to be dug on a construction site. Its length is 50m, width is 30m, and depth is 5dm. How many cubic meters of soil do you need to dig out?
某工地要挖一个长方体的土坑，它的长是50m，宽30m，深5dm，需挖出多少立方米的土？
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">50 * 30 * (1/2)</gadget>
<output>750</output>

<result>750</result>