No problem, we've got 1251 and 1137 to multiply
1251 × 1137 = 1137 × (1251)
+ 1137 × 1 that results in 1137
+ 1137 × 50 yielding 56850
+ 1137 × 200 which equals 227400
+ 1137 × 1000 which equals 1137000

= 1422387
