If two cubes of different sizes are processed into the largest cone with one side of the cube as the base, the sum of the volumes of the two cones is 75.36 cubic centimeters, then how many cubic centimeters is the sum of the volumes of the two cubes?
两个大小不一的正方体木块，如果以正方体一面为底加工成最大圆锥，则加工成的两个圆锥体积之和是75.36立方厘米，那么这两个正方体体积之和是多少立方厘米？
<gadget id="calculator">12 / 3.14</gadget>
<output>3.821656</output>

<gadget id="calculator">75.36 * 3.821656</gadget>
<output>287.999996</output>

<result>287.999996</result>