The edge length of the small cube is 5 cm, and the edge length of the large cube is 20% longer than that of the small cube. By what percentage is the volume of the large cube larger than that of the small cube?
小正方体的棱长为5厘米，大正方体的棱长比小正方体长20%，大正方体的体积比小正方体大百分之几？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">5 * (6/5)</gadget>
<output>6</output>

<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>

<gadget id="calculator">216 - 125</gadget>
<output>91</output>

<gadget id="calculator">91 / 125</gadget>
<output>91/125 = around 0.728</output>

<result>91/125 = around 0.728</result>