The playground of a certain school is 75 meters long and 45 meters wide. A layer of loess 5 centimeters thick should be laid on the playground. How many cubic meters of loess should be laid in total?
某校操场长75米，宽45米，要在操场上垫5厘米厚的一层黄土，共垫黄土多少立方米？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">75 * 45 * (1/20)</gadget>
<output>675/4 = around 168.75</output>

<result>675/4 = around 168.75</result>