No problem, we've got 9985491 and 5398003 to multiply
9985491 × 5398003 = 5398003 × (9985491)
+ 5398003 × 1 that equals 5398003
+ 5398003 × 90 which equals 485820270
+ 5398003 × 400 giving us 2159201200
+ 5398003 × 5000 that equals 26990015000
+ 5398003 × 80000 what gives us 431840240000
+ 5398003 × 900000 that equals 4858202700000
+ 5398003 × 9000000 what gives us 48582027000000

= 53901710374473
