Alright, let's work through 13917171 times 82421242 step by step
13917171 × 82421242 = 82421242 × (13917171)
+ 82421242 × 1 that results in 82421242
+ 82421242 × 70 which equals 5769486940
+ 82421242 × 100 giving us 8242124200
+ 82421242 × 7000 resulting in 576948694000
+ 82421242 × 10000 that is equal 824212420000
+ 82421242 × 900000 that equals 74179117800000
+ 82421242 × 3000000 giving us 247263726000000
+ 82421242 × 10000000 giving us 824212420000000

= 1147070518946382
