Alright, let's work through 71230954 times 71230992 step by step
71230954 × 71230992 = 71230992 × (71230954)
+ 71230992 × 4 yielding 284923968
+ 71230992 × 50 yielding 3561549600
+ 71230992 × 900 resulting in 64107892800
+ 71230992 × 0000 which equals 0
+ 71230992 × 30000 producing 2136929760000
+ 71230992 × 200000 resulting in 14246198400000
+ 71230992 × 1000000 producing 71230992000000
+ 71230992 × 70000000 that is equal 4986169440000000

= 5073851514526368
