Xiaogang wants to measure the volume of a potato. He prepared a cuboid tank with a length of 20 cm, a width of 15 cm, and a height of 20 cm, and poured 10 cm of water into it. When he submerged the potatoes in the water, the water surface rose to 10.6 cm. What is the volume of a potato in cubic centimeters?
小刚要测量一个土豆的体积．他准备了一个长20厘米，宽15厘米，高20厘米的长方体水槽，在里面注入10厘米深的水，当他把土豆浸没在水中后，水面上升至10.6厘米．土豆的体积是多少立方厘米？
<gadget id="calculator">10.6 - 10</gadget>
<output>0.6</output>

<gadget id="calculator">20 * 15 * 0.6</gadget>
<output>180</output>

<result>180</result>