No problem, we've got 8082161 and 21122047 to multiply
8082161 × 21122047 = 21122047 × (8082161)
+ 21122047 × 1 that equals 21122047
+ 21122047 × 60 that equals 1267322820
+ 21122047 × 100 giving us 2112204700
+ 21122047 × 2000 yielding 42244094000
+ 21122047 × 80000 that equals 1689763760000
+ 21122047 × 000000 yielding 0
+ 21122047 × 8000000 giving us 168976376000000

= 170711784503567
