The bottom area of a cylindrical glass jar is 1000 square centimeters, and there is water in the jar. A conical iron block with a bottom radius of 10 cm and a height of 30 cm is completely submerged in water (the water does not overflow). How many centimeters has the water risen?
一个圆柱形玻璃缸的底面积是1000平方厘米，缸内盛有水，将一个底面半径是10厘米，高是30厘米的圆锥体铁块完全浸没在水中(水没有溢出)，玻璃缸中的水面上升了多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">30 / 1_000</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">(1/3) * 3.14 * 100 * (3/100)</gadget>
<output>3.14</output>

<result>3.14</result>