A cuboid wooden box has a volume of 324 cubic decimeters, and its width and height are both 6 decimeters. What is the area of the bottom of this cuboid wooden box?
一个长方体木箱，体积是324立方分米，它的宽和高都是6分米．这个长方体木箱的底面积是多少平方分米？
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">324 / 36</gadget>
<output>9</output>

<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<result>54</result>