A cylindrical glass tank with a bottom area of 40 square centimeters is filled with water. A conical object with a bottom area of 27 square centimeters is completely submerged in the water. The water in the glass tank flows out of 90 cubic centimeters. Find the height of the cone.
一圆柱形玻璃缸底面面积是40平方厘米，缸内装满水，把一个底面积是27平方厘米的圆锥形物体全部没入水中，玻璃缸中水流出了90立方厘米，求圆锥的高．
<gadget id="calculator">3 / 27</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">90 * (1/9)</gadget>
<output>10</output>

<result>10</result>