Alright, let's work through 663702 times 37542437 step by step
663702 × 37542437 = 37542437 × (663702)
+ 37542437 × 2 which equals 75084874
+ 37542437 × 00 that equals 0
+ 37542437 × 700 giving us 26279705900
+ 37542437 × 3000 that equals 112627311000
+ 37542437 × 60000 producing 2252546220000
+ 37542437 × 600000 that is equal 22525462200000

= 24916990521774
