A cylinder has a volume 1200 cubic centimeters larger than a cone. The area of the base of the cylinder is 400 square centimeters, which is 100 square centimeters less than the area of the base of the cone. The height of the cylinder is 18 cm, what is the height of the cone in cm?
一个圆柱比一个圆锥的体积大1200立方厘米．圆柱的底面积是400平方厘米，比圆锥的底面积小100平方厘米．圆柱的高18厘米，圆锥的高是多少厘米．
<gadget id="calculator">400 * 18</gadget>
<output>7_200</output>

<gadget id="calculator">7_200 - 1_200</gadget>
<output>6_000</output>

<gadget id="calculator">400 + 100</gadget>
<output>500</output>

<gadget id="calculator">3 / 500</gadget>
<output>3/500 = around 0.006</output>

<gadget id="calculator">6_000 * (3/500)</gadget>
<output>36</output>

<result>36</result>