A 5-meter-long cylinder of wood is cut into 3 sections, and the surface area increases by 15 square decimeters. What is the volume of this cylinder of wood in cubic centimeters?
把一根长5米的圆柱体木料截成3段，表面积增加了15平方分米，这根圆柱形木料的体积是多少立方厘米．
<gadget id="calculator">15 * 100</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 / 4</gadget>
<output>375</output>

<gadget id="calculator">5 * 100</gadget>
<output>500</output>

<gadget id="calculator">375 * 500</gadget>
<output>187_500</output>

<result>187_500</result>