Alright, let's work through 66617471 times 40183744 step by step
66617471 × 40183744 = 40183744 × (66617471)
+ 40183744 × 1 that equals 40183744
+ 40183744 × 70 which equals 2812862080
+ 40183744 × 400 which equals 16073497600
+ 40183744 × 7000 giving us 281286208000
+ 40183744 × 10000 yielding 401837440000
+ 40183744 × 600000 that equals 24110246400000
+ 40183744 × 6000000 giving us 241102464000000
+ 40183744 × 60000000 yielding 2411024640000000

= 2676939400591424
