A cylinder and a cone have the same base and height. It is known that the volume of the cone is 1.2cm**3 less than the cylinder. What is the sum of the volumes of the cylinder and the cone?
一个圆柱和一个圆锥等底等高，已知圆锥的体积比圆柱少1.2cm**3，圆柱与圆锥的体积和是多少．
<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>

<gadget id="calculator">1.8 / 3</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 + 1.8</gadget>
<output>2.4</output>

<result>2.4</result>