A cuboid tank is 10cm long, 8cm wide, and 1.2dm high. After filling the water with a potato, a part of the water overflows, and the water level drops by 3 cm after the potato is taken out. Find the volume of this potato.
一个长方体水槽长10cm、宽8cm、高1.2dm．装满水后放入一个马铃薯，水溢出了一部分，取出马铃薯后水面下降了3厘米．求这个马铃薯的体积．
<gadget id="calculator">10 * 8 * 3</gadget>
<output>240</output>

<result>240</result>