Alright, let's work through 79015842 times 77915027 step by step
79015842 × 77915027 = 77915027 × (79015842)
+ 77915027 × 2 that results in 155830054
+ 77915027 × 40 that results in 3116601080
+ 77915027 × 800 what gives us 62332021600
+ 77915027 × 5000 yielding 389575135000
+ 77915027 × 10000 that results in 779150270000
+ 77915027 × 000000 that is equal 0
+ 77915027 × 9000000 that equals 701235243000000
+ 77915027 × 70000000 that is equal 5454051890000000

= 6156521462857734
