A section of cuboid wood, 1.2 meters long. If you want to saw 2 centimeters shorter, its volume will be reduced by 40 cubic centimeters. Find the volume of the original piece of wood.
一段长方体木材，长1.2米．如要锯短2厘米，它的体积就减少40立方厘米．求原来这段木材的体积．
<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">1.2 * 100</gadget>
<output>120</output>

<gadget id="calculator">20 * 120</gadget>
<output>2_400</output>

<result>2_400</result>