Alright, let's work through 9912 times 7137 step by step
9912 × 7137 = 7137 × (9912)
+ 7137 × 2 that equals 14274
+ 7137 × 10 that results in 71370
+ 7137 × 900 that results in 6423300
+ 7137 × 9000 yielding 64233000

= 70741944
