The school needs to dig a cuboid bunker with a length of 4m, a width of 3m, and a depth of 50cm. How many cubic meters of soil should be dug out?
学校要挖一个长4m，宽3m，深50cm的长方体沙坑，一共要挖出多少方的土？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 * 3 * (1/2)</gadget>
<output>6</output>

<result>6</result>