No problem, we've got 1251 and 6192 to multiply
1251 × 6192 = 6192 × (1251)
+ 6192 × 1 that is equal 6192
+ 6192 × 50 that results in 309600
+ 6192 × 200 that equals 1238400
+ 6192 × 1000 resulting in 6192000

= 7746192
