Alright, let's work through 1339 times 4228 step by step
1339 × 4228 = 4228 × (1339)
+ 4228 × 9 that is equal 38052
+ 4228 × 30 what gives us 126840
+ 4228 × 300 what gives us 1268400
+ 4228 × 1000 that results in 4228000

= 5661292
