Alright, let's work through 87230023 times 42209129 step by step
87230023 × 42209129 = 42209129 × (87230023)
+ 42209129 × 3 that equals 126627387
+ 42209129 × 20 resulting in 844182580
+ 42209129 × 000 that equals 0
+ 42209129 × 0000 that equals 0
+ 42209129 × 30000 which equals 1266273870000
+ 42209129 × 200000 that equals 8441825800000
+ 42209129 × 7000000 that results in 295463903000000
+ 42209129 × 80000000 that equals 3376730320000000

= 3681903293479967
