63 white small cubes and 1 black small cube whose edge length is 1 cm can be assembled into a large cube. Ask: how many different large cubes containing 64 small cubes can be assembled in total.
棱长都是1厘米的63个白色小正方体和1个黑色小正方体，可以拼成一个大正方体，问：一共可以拼成多少种不同的含有64个小正方体的大正方体．
<gadget id="calculator">1 + 2 + 4 + 8</gadget>
<output>15</output>

<result>15</result>