After sawing a 1-meter-long square log into 4 sections, the surface area increases by 36 square centimeters. What is the original volume of this square log?
把1米长的方木锯成4段后，表面积增加36平方厘米，这根方木原来的体积是多少．
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">36 / 6</gadget>
<output>6</output>

<gadget id="calculator">1 * 100 * 6</gadget>
<output>600</output>

<result>600</result>