It is necessary to order 400 square logs, the cross-section of each square log is 75 square centimeters, and the length is 3 meters. How many cubic meters are the total volume of the square logs?
要定400根方木，每根方木的截面为75平方厘米，长3米，求方木的体积一共多少立方米？
<gadget id="calculator">0.0075 * 3 * 400</gadget>
<output>9</output>

<result>9</result>