Alright, let's work through 791642 times 67490538 step by step
791642 × 67490538 = 67490538 × (791642)
+ 67490538 × 2 yielding 134981076
+ 67490538 × 40 that equals 2699621520
+ 67490538 × 600 yielding 40494322800
+ 67490538 × 1000 that is equal 67490538000
+ 67490538 × 90000 that is equal 6074148420000
+ 67490538 × 700000 that is equal 47243376600000

= 53428344483396
