Alright, let's work through 6138 times 1639 step by step
6138 × 1639 = 1639 × (6138)
+ 1639 × 8 producing 13112
+ 1639 × 30 giving us 49170
+ 1639 × 100 which equals 163900
+ 1639 × 6000 which equals 9834000

= 10060182
