Alright, let's work through 1820 times 6119 step by step
1820 × 6119 = 6119 × (1820)
+ 6119 × 0 yielding 0
+ 6119 × 20 what gives us 122380
+ 6119 × 800 producing 4895200
+ 6119 × 1000 what gives us 6119000

= 11136580
