No problem, we've got 84225813 and 92543729 to multiply
84225813 × 92543729 = 92543729 × (84225813)
+ 92543729 × 3 yielding 277631187
+ 92543729 × 10 giving us 925437290
+ 92543729 × 800 yielding 74034983200
+ 92543729 × 5000 that results in 462718645000
+ 92543729 × 20000 yielding 1850874580000
+ 92543729 × 200000 what gives us 18508745800000
+ 92543729 × 4000000 that equals 370174916000000
+ 92543729 × 80000000 what gives us 7403498320000000

= 7794570813076677
