Alright, let's work through 10315996 times 88642342 step by step
10315996 × 88642342 = 88642342 × (10315996)
+ 88642342 × 6 yielding 531854052
+ 88642342 × 90 producing 7977810780
+ 88642342 × 900 resulting in 79778107800
+ 88642342 × 5000 that is equal 443211710000
+ 88642342 × 10000 that is equal 886423420000
+ 88642342 × 300000 producing 26592702600000
+ 88642342 × 0000000 which equals 0
+ 88642342 × 10000000 what gives us 886423420000000

= 914434045502632
