Alright, let's work through 426492 times 66987488 step by step
426492 × 66987488 = 66987488 × (426492)
+ 66987488 × 2 yielding 133974976
+ 66987488 × 90 what gives us 6028873920
+ 66987488 × 400 that results in 26794995200
+ 66987488 × 6000 giving us 401924928000
+ 66987488 × 20000 which equals 1339749760000
+ 66987488 × 400000 what gives us 26794995200000

= 28569627732096
