Alright, let's work through 79939324 times 49780348 step by step
79939324 × 49780348 = 49780348 × (79939324)
+ 49780348 × 4 resulting in 199121392
+ 49780348 × 20 that equals 995606960
+ 49780348 × 300 that equals 14934104400
+ 49780348 × 9000 that is equal 448023132000
+ 49780348 × 30000 producing 1493410440000
+ 49780348 × 900000 resulting in 44802313200000
+ 49780348 × 9000000 producing 448023132000000
+ 49780348 × 70000000 that equals 3484624360000000

= 3979407367604752
