No problem, we've got 31701989 and 4548696 to multiply
31701989 × 4548696 = 4548696 × (31701989)
+ 4548696 × 9 which equals 40938264
+ 4548696 × 80 what gives us 363895680
+ 4548696 × 900 which equals 4093826400
+ 4548696 × 1000 yielding 4548696000
+ 4548696 × 00000 which equals 0
+ 4548696 × 700000 that is equal 3184087200000
+ 4548696 × 1000000 giving us 4548696000000
+ 4548696 × 30000000 yielding 136460880000000

= 144202710556344
