First fill the cube glass jar with edge length of 9 decimeters with water, and then pour the water into the rectangular parallelepiped glass jar. At this time, the depth of the water is 7.5 decimeters. What is the bottom area of the rectangular parallelepiped glass jar?
先在棱长为9分米的正方体玻璃缸里装满水，再将这些水倒入长方体玻璃缸里，这时水的深度是7.5分米，长方体玻璃缸的底面积是多少？
<gadget id="calculator">9 / 7.5</gadget>
<output>1.2</output>

<gadget id="calculator">9 * 9 * 1.2</gadget>
<output>97.2</output>

<result>97.2</result>