A 2-meter-long cuboid wood is sawed into 5 sections, and the surface area is increased by 64 square centimeters compared to the original one. What is the original volume of this wood in cubic centimeters?
把一根长2米的长方体木料锯成5段，表面积比原来增加64平方厘米，求这根木料原来的体积是多少立方厘米？
<gadget id="calculator">64 / 8</gadget>
<output>8</output>

<gadget id="calculator">2 * 100</gadget>
<output>200</output>

<gadget id="calculator">8 * 200</gadget>
<output>1_600</output>

<result>1_600</result>