If a cube with side length 6 is cut into 157 smaller cubes with side lengths of integers, what is the number of cubes with side length 1?
将棱长为6的正方体切割成157个棱长为整数的小正方体，则其中棱长为1的正方体的个数是多少．
<gadget id="calculator">157 - 2 - 1</gadget>
<output>154</output>

<result>154</result>