Alright, let's work through 6811 times 7645 step by step
6811 × 7645 = 7645 × (6811)
+ 7645 × 1 giving us 7645
+ 7645 × 10 which equals 76450
+ 7645 × 800 that is equal 6116000
+ 7645 × 6000 which equals 45870000

= 52070095
