The sum of the sides of a cuboid is 64 cm. Its left side is a square with a side length of 6 cm. What is the length of this cuboid in centimeters?
一个长方体的棱长总和是64厘米．它的左面是一个边长6厘米的正方形．这个长方体的长是多少厘米？
<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">16 - 6 - 6</gadget>
<output>4</output>

<result>4</result>