If a cylinder is cut into the largest cone, the volume is reduced by 1.2 cubic decimeters, what is the volume of the cylinder in cubic decimeters?
把一个圆柱削成最大的圆锥，体积减少了1.2立方分米，圆柱的体积是多少立方分米．
<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">1.2 / (2/3)</gadget>
<output>1.8</output>

<result>1.8</result>