No problem, we've got 83722004 and 80496109 to multiply
83722004 × 80496109 = 80496109 × (83722004)
+ 80496109 × 4 producing 321984436
+ 80496109 × 00 producing 0
+ 80496109 × 000 that results in 0
+ 80496109 × 2000 what gives us 160992218000
+ 80496109 × 20000 what gives us 1609922180000
+ 80496109 × 700000 that is equal 56347276300000
+ 80496109 × 3000000 that equals 241488327000000
+ 80496109 × 80000000 giving us 6439688720000000

= 6739295559682436
