If the height and radius of a cylinder increase (1/3), how much does the volume increase (fill in fractions)
一个圆柱高、半径都增加(1/3)，则体积增加多少(填分数)
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">3 * (4/3)</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">6 * (4/3)</gadget>
<output>8</output>

<gadget id="calculator">3.14 * 16 * 8</gadget>
<output>401.92</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 6</gadget>
<output>169.56</output>

<gadget id="calculator">401.92 - 169.56</gadget>
<output>232.36</output>

<gadget id="calculator">232.36 / 169.56</gadget>
<output>1.37037</output>

<result>1.37037</result>