Alright, let's work through 79487888 times 97394780 step by step
79487888 × 97394780 = 97394780 × (79487888)
+ 97394780 × 8 yielding 779158240
+ 97394780 × 80 yielding 7791582400
+ 97394780 × 800 what gives us 77915824000
+ 97394780 × 7000 what gives us 681763460000
+ 97394780 × 80000 resulting in 7791582400000
+ 97394780 × 400000 what gives us 38957912000000
+ 97394780 × 9000000 yielding 876553020000000
+ 97394780 × 70000000 that results in 6817634600000000

= 7741705364424640
