No problem, we've got 64449340 and 85371721 to multiply
64449340 × 85371721 = 85371721 × (64449340)
+ 85371721 × 0 producing 0
+ 85371721 × 40 resulting in 3414868840
+ 85371721 × 300 that is equal 25611516300
+ 85371721 × 9000 that equals 768345489000
+ 85371721 × 40000 what gives us 3414868840000
+ 85371721 × 400000 which equals 34148688400000
+ 85371721 × 4000000 that is equal 341486884000000
+ 85371721 × 60000000 giving us 5122303260000000

= 5502151073114140
