Alright, let's work through 90873701 times 79256235 step by step
90873701 × 79256235 = 79256235 × (90873701)
+ 79256235 × 1 yielding 79256235
+ 79256235 × 00 which equals 0
+ 79256235 × 700 that is equal 55479364500
+ 79256235 × 3000 that results in 237768705000
+ 79256235 × 70000 yielding 5547936450000
+ 79256235 × 800000 yielding 63404988000000
+ 79256235 × 0000000 that equals 0
+ 79256235 × 90000000 producing 7133061150000000

= 7202307401775735
