Alright, let's work through 87121204 times 67295954 step by step
87121204 × 67295954 = 67295954 × (87121204)
+ 67295954 × 4 yielding 269183816
+ 67295954 × 00 giving us 0
+ 67295954 × 200 that results in 13459190800
+ 67295954 × 1000 what gives us 67295954000
+ 67295954 × 20000 what gives us 1345919080000
+ 67295954 × 100000 giving us 6729595400000
+ 67295954 × 7000000 yielding 471071678000000
+ 67295954 × 80000000 yielding 5383676320000000

= 5862904536808616
