The surface area of a cube is 96m**2, if the edge length increases by 1m, the volume will increase by how much m**3.
一个正方体的表面积是96m**2，如果棱长增加1m，体积就增加多少m**3．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

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

<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<gadget id="calculator">125 - 64</gadget>
<output>61</output>

<result>61</result>