Alright, let's work through 3750799 times 66188519 step by step
3750799 × 66188519 = 66188519 × (3750799)
+ 66188519 × 9 that is equal 595696671
+ 66188519 × 90 yielding 5956966710
+ 66188519 × 700 which equals 46331963300
+ 66188519 × 0000 yielding 0
+ 66188519 × 50000 what gives us 3309425950000
+ 66188519 × 700000 resulting in 46331963300000
+ 66188519 × 3000000 which equals 198565557000000

= 248259830876681
