A cuboid tank is 6dm long, 4dm wide, and 5dm high. The water depth inside is 4.5dm. If a conical iron block with a bottom radius of 2dm and a height of 4.5dm is put into the water, how many liters of water will overflow in the tank?
一个长方体水缸长6dm，宽4dm，高5dm．里面水深4.5dm，把一个底面半径2dm，高4.5dm的圆锥形铁块放入水中，缸里的水会溢出多少升？
<gadget id="calculator">6 * 4 * 4.5</gadget>
<output>108</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 4.5</gadget>
<output>18.84</output>

<gadget id="calculator">6 * 4 * 5</gadget>
<output>120</output>

<gadget id="calculator">18.84 - 120</gadget>
<output>-101.16</output>

<gadget id="calculator">108 + (-101.16)</gadget>
<output>6.84</output>

<result>6.84</result>