Alright, let's work through 7991 times 849 step by step
7991 × 849 = 849 × (7991)
+ 849 × 1 giving us 849
+ 849 × 90 resulting in 76410
+ 849 × 900 what gives us 764100
+ 849 × 7000 that equals 5943000

= 6784359
