Three cones with a base radius of 1 decimeter and a height of 3 decimeters are cast into a cylinder with a base diameter of 4 decimeters. What is the height of the cylinder?
将三个底面半径1分米，高3分米的圆锥体熔铸成一个底面直径为4分米的圆柱体，圆柱的高应该是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

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

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

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">3 / 12.56</gadget>
<output>0.238854</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 3 * 0.238854</gadget>
<output>0.750002</output>

<result>0.750002</result>