Alright, let's work through 79203455 times 79080934 step by step
79203455 × 79080934 = 79080934 × (79203455)
+ 79080934 × 5 resulting in 395404670
+ 79080934 × 50 yielding 3954046700
+ 79080934 × 400 that is equal 31632373600
+ 79080934 × 3000 that equals 237242802000
+ 79080934 × 00000 yielding 0
+ 79080934 × 200000 that equals 15816186800000
+ 79080934 × 9000000 that results in 711728406000000
+ 79080934 × 70000000 yielding 5535665380000000

= 6263483197426970
