No problem, we've got 97374624 and 55388393 to multiply
97374624 × 55388393 = 55388393 × (97374624)
+ 55388393 × 4 giving us 221553572
+ 55388393 × 20 that is equal 1107767860
+ 55388393 × 600 what gives us 33233035800
+ 55388393 × 4000 what gives us 221553572000
+ 55388393 × 70000 yielding 3877187510000
+ 55388393 × 300000 that is equal 16616517900000
+ 55388393 × 7000000 yielding 387718751000000
+ 55388393 × 90000000 giving us 4984955370000000

= 5393423942339232
