Alright, let's work through 6789471 times 75477464 step by step
6789471 × 75477464 = 75477464 × (6789471)
+ 75477464 × 1 that equals 75477464
+ 75477464 × 70 giving us 5283422480
+ 75477464 × 400 producing 30190985600
+ 75477464 × 9000 resulting in 679297176000
+ 75477464 × 80000 that is equal 6038197120000
+ 75477464 × 700000 giving us 52834224800000
+ 75477464 × 6000000 producing 452864784000000

= 512452052981544
