Alright, let's work through 71641628 times 79471180 step by step
71641628 × 79471180 = 79471180 × (71641628)
+ 79471180 × 8 what gives us 635769440
+ 79471180 × 20 yielding 1589423600
+ 79471180 × 600 resulting in 47682708000
+ 79471180 × 1000 producing 79471180000
+ 79471180 × 40000 that results in 3178847200000
+ 79471180 × 600000 what gives us 47682708000000
+ 79471180 × 1000000 that is equal 79471180000000
+ 79471180 × 70000000 yielding 5562982600000000

= 5693444714281040
