A cuboid fish pond is 8m long, 4.5m wide, and 2m deep. What is the approximate volume of this fish pond?
一个长方体鱼塘长8m，宽4.5m，深2m．这个鱼塘的容积大约是多少？
<gadget id="calculator">8 * 4.5 * 2</gadget>
<output>72</output>

<result>72</result>