There are two iron wires of the same length. The first wire is welded into a rectangular parallelepiped frame with a length of 10 cm, a width of 6 cm, and a height of 5 cm. The second wire is welded into a cube frame. Which frame has the largest volume? How big is it?
有两根一样长的铁丝，第一根焊接成长10厘米，宽6厘米，高5厘米的长方体框架，第二根焊接成正方体框架，哪个框架的体积大？大多少？
<gadget id="calculator">10 + 6 + 5</gadget>
<output>21</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">21 * (1/3)</gadget>
<output>7</output>

<gadget id="calculator">7 * 7 * 7</gadget>
<output>343</output>

<gadget id="calculator">10 * 6 * 5</gadget>
<output>300</output>

<gadget id="calculator">343 - 300</gadget>
<output>43</output>

<result>43</result>