Alright, let's work through 87821472 times 75010123 step by step
87821472 × 75010123 = 75010123 × (87821472)
+ 75010123 × 2 producing 150020246
+ 75010123 × 70 which equals 5250708610
+ 75010123 × 400 yielding 30004049200
+ 75010123 × 1000 that is equal 75010123000
+ 75010123 × 20000 which equals 1500202460000
+ 75010123 × 800000 that is equal 60008098400000
+ 75010123 × 7000000 yielding 525070861000000
+ 75010123 × 80000000 that is equal 6000809840000000

= 6587499416761056
