No problem, we've got 84272628 and 5382105 to multiply
84272628 × 5382105 = 5382105 × (84272628)
+ 5382105 × 8 what gives us 43056840
+ 5382105 × 20 that is equal 107642100
+ 5382105 × 600 which equals 3229263000
+ 5382105 × 2000 producing 10764210000
+ 5382105 × 70000 what gives us 376747350000
+ 5382105 × 200000 resulting in 1076421000000
+ 5382105 × 4000000 that is equal 21528420000000
+ 5382105 × 80000000 resulting in 430568400000000

= 453564132521940
