If the side length of a cube increases (1/4), how much does its volume increase.
一个正方体的棱长增加(1/4)，它的体积增加多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) * (5/4) * (5/4)</gadget>
<output>125/64 = around 1.953125</output>

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

<gadget id="calculator">(125/64) - 1</gadget>
<output>61/64 = around 0.953125</output>

<result>61/64 = around 0.953125</result>