Alright, let's work through 61383490 times 71012211 step by step
61383490 × 71012211 = 71012211 × (61383490)
+ 71012211 × 0 which equals 0
+ 71012211 × 90 giving us 6391098990
+ 71012211 × 400 producing 28404884400
+ 71012211 × 3000 what gives us 213036633000
+ 71012211 × 80000 which equals 5680976880000
+ 71012211 × 300000 resulting in 21303663300000
+ 71012211 × 1000000 giving us 71012211000000
+ 71012211 × 60000000 that results in 4260732660000000

= 4358977343796390
