After cutting a small cuboid with a volume of 32 cubic centimeters from a cuboid, the remaining part is a cube with a side length of 4 cm. What is the length of the longest side of the original cuboid?
从一个长方体上截下一个体积是32立方厘米的小长方体后，剩下的部分是一个棱长4厘米的正方体，原长方体最长的一条棱长长度是多少．
<gadget id="calculator">32 / 4 / 4</gadget>
<output>2</output>

<gadget id="calculator">2 + 4</gadget>
<output>6</output>

<result>6</result>