No problem, we've got 89321484 and 98710849 to multiply
89321484 × 98710849 = 98710849 × (89321484)
+ 98710849 × 4 what gives us 394843396
+ 98710849 × 80 resulting in 7896867920
+ 98710849 × 400 what gives us 39484339600
+ 98710849 × 1000 giving us 98710849000
+ 98710849 × 20000 yielding 1974216980000
+ 98710849 × 300000 that equals 29613254700000
+ 98710849 × 9000000 yielding 888397641000000
+ 98710849 × 80000000 that is equal 7896867920000000

= 8816999519579916
