A cylindrical bucket contains 36 liters of water, which is exactly full. If a conical iron block with the same height as the bottom of the bucket is completely immersed in water, how many liters of water will there be in the bucket at this time?
一个圆柱形的水桶，里面盛有36升水，正好盛满，如果把一块与水桶等底等高的圆锥形铁块完全浸入水中，这时桶内还有多少升水．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">36 * (2/3)</gadget>
<output>24</output>

<result>24</result>