Alright, let's work through 5642 times 2102 step by step
5642 × 2102 = 2102 × (5642)
+ 2102 × 2 resulting in 4204
+ 2102 × 40 that results in 84080
+ 2102 × 600 that is equal 1261200
+ 2102 × 5000 that equals 10510000

= 11859484
