Alright, let's work through 82141138 times 21022130 step by step
82141138 × 21022130 = 21022130 × (82141138)
+ 21022130 × 8 that equals 168177040
+ 21022130 × 30 that equals 630663900
+ 21022130 × 100 what gives us 2102213000
+ 21022130 × 1000 producing 21022130000
+ 21022130 × 40000 that is equal 840885200000
+ 21022130 × 100000 that equals 2102213000000
+ 21022130 × 2000000 resulting in 42044260000000
+ 21022130 × 80000000 producing 1681770400000000

= 1726781681383940
