Alright, let's work through 7297491 times 79151758 step by step
7297491 × 79151758 = 79151758 × (7297491)
+ 79151758 × 1 that results in 79151758
+ 79151758 × 90 which equals 7123658220
+ 79151758 × 400 giving us 31660703200
+ 79151758 × 7000 what gives us 554062306000
+ 79151758 × 90000 which equals 7123658220000
+ 79151758 × 200000 that results in 15830351600000
+ 79151758 × 7000000 what gives us 554062306000000

= 577609241639178
