Alright, let's work through 62900221 times 5537639 step by step
62900221 × 5537639 = 5537639 × (62900221)
+ 5537639 × 1 yielding 5537639
+ 5537639 × 20 producing 110752780
+ 5537639 × 200 which equals 1107527800
+ 5537639 × 0000 that results in 0
+ 5537639 × 00000 resulting in 0
+ 5537639 × 900000 resulting in 4983875100000
+ 5537639 × 2000000 what gives us 11075278000000
+ 5537639 × 60000000 producing 332258340000000

= 348318716918219
