No problem, we've got 80405822 and 90595473 to multiply
80405822 × 90595473 = 90595473 × (80405822)
+ 90595473 × 2 producing 181190946
+ 90595473 × 20 resulting in 1811909460
+ 90595473 × 800 that equals 72476378400
+ 90595473 × 5000 giving us 452977365000
+ 90595473 × 00000 that results in 0
+ 90595473 × 400000 that is equal 36238189200000
+ 90595473 × 0000000 that equals 0
+ 90595473 × 80000000 what gives us 7247637840000000

= 7284403476043806
