No problem, we've got 88389599 and 42403311 to multiply
88389599 × 42403311 = 42403311 × (88389599)
+ 42403311 × 9 resulting in 381629799
+ 42403311 × 90 that is equal 3816297990
+ 42403311 × 500 resulting in 21201655500
+ 42403311 × 9000 what gives us 381629799000
+ 42403311 × 80000 yielding 3392264880000
+ 42403311 × 300000 what gives us 12720993300000
+ 42403311 × 8000000 resulting in 339226488000000
+ 42403311 × 80000000 that is equal 3392264880000000

= 3748011655562289
