A cylindrical container with a bottom area of 100 cm2 is filled with water. A conical iron block with a bottom area of 60 cm2 is completely submerged in the water, and the water level rises by 2 cm (the water does not overflow). How tall is this conical block of iron?
一个底面积为100平方厘米的圆柱形容器中装有水，把一块底面积为60平方厘米的圆锥形铁块完全浸没在水中，水面升高2厘米(水未溢出)．这块圆锥形铁块有多高？
<gadget id="calculator">3 / 60</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">100 * 2 * (1/20)</gadget>
<output>10</output>

<result>10</result>