Alright, let's work through 7944496 times 36558142 step by step
7944496 × 36558142 = 36558142 × (7944496)
+ 36558142 × 6 that equals 219348852
+ 36558142 × 90 yielding 3290232780
+ 36558142 × 400 producing 14623256800
+ 36558142 × 4000 that equals 146232568000
+ 36558142 × 40000 that equals 1462325680000
+ 36558142 × 900000 giving us 32902327800000
+ 36558142 × 7000000 that equals 255906994000000

= 290436012886432
