Alright, let's work through 15345522 times 44942939 step by step
15345522 × 44942939 = 44942939 × (15345522)
+ 44942939 × 2 which equals 89885878
+ 44942939 × 20 which equals 898858780
+ 44942939 × 500 producing 22471469500
+ 44942939 × 5000 producing 224714695000
+ 44942939 × 40000 resulting in 1797717560000
+ 44942939 × 300000 that results in 13482881700000
+ 44942939 × 5000000 that results in 224714695000000
+ 44942939 × 10000000 which equals 449429390000000

= 689672859169158
