Alright, let's work through 87469854 times 88673678 step by step
87469854 × 88673678 = 88673678 × (87469854)
+ 88673678 × 4 that is equal 354694712
+ 88673678 × 50 yielding 4433683900
+ 88673678 × 800 which equals 70938942400
+ 88673678 × 9000 what gives us 798063102000
+ 88673678 × 60000 that is equal 5320420680000
+ 88673678 × 400000 that equals 35469471200000
+ 88673678 × 7000000 what gives us 620715746000000
+ 88673678 × 80000000 that results in 7093894240000000

= 7756273668303012
