Alright, let's work through 7741 times 109 step by step
7741 × 109 = 109 × (7741)
+ 109 × 1 which equals 109
+ 109 × 40 that is equal 4360
+ 109 × 700 what gives us 76300
+ 109 × 7000 what gives us 763000

= 843769
