Alright, let's work through 1239 times 6461 step by step
1239 × 6461 = 6461 × (1239)
+ 6461 × 9 yielding 58149
+ 6461 × 30 what gives us 193830
+ 6461 × 200 what gives us 1292200
+ 6461 × 1000 giving us 6461000

= 8005179
