4×(5+1)×(52+1)=(5﹣1)×(5+1)×(52+1)
=(52﹣1)×(52+1)=252﹣1=624.
请借鉴小黄的方法计算:
(1+ )×(1+ )×(1+ )×(1+ )×(1+ )×(1+ )×(1+ ),结果是.