Alright, let's work through 68739803 times 84681246 step by step
68739803 × 84681246 = 84681246 × (68739803)
+ 84681246 × 3 what gives us 254043738
+ 84681246 × 00 which equals 0
+ 84681246 × 800 that equals 67744996800
+ 84681246 × 9000 resulting in 762131214000
+ 84681246 × 30000 that equals 2540437380000
+ 84681246 × 700000 yielding 59276872200000
+ 84681246 × 8000000 producing 677449968000000
+ 84681246 × 60000000 giving us 5080874760000000

= 5820972167834538
