Alright, let's work through 7658 times 311 step by step
7658 × 311 = 311 × (7658)
+ 311 × 8 what gives us 2488
+ 311 × 50 producing 15550
+ 311 × 600 which equals 186600
+ 311 × 7000 resulting in 2177000

= 2381638
