Alright, let's work through 64103173 times 74393088 step by step
64103173 × 74393088 = 74393088 × (64103173)
+ 74393088 × 3 that results in 223179264
+ 74393088 × 70 that is equal 5207516160
+ 74393088 × 100 that is equal 7439308800
+ 74393088 × 3000 that results in 223179264000
+ 74393088 × 00000 yielding 0
+ 74393088 × 100000 resulting in 7439308800000
+ 74393088 × 4000000 that results in 297572352000000
+ 74393088 × 60000000 that results in 4463585280000000

= 4768832990068224
