Alright, let's work through 1012 times 7187 step by step
1012 × 7187 = 7187 × (1012)
+ 7187 × 2 which equals 14374
+ 7187 × 10 yielding 71870
+ 7187 × 000 that equals 0
+ 7187 × 1000 yielding 7187000

= 7273244
