No problem, we've got 1436 and 1263 to multiply
1436 × 1263 = 1263 × (1436)
+ 1263 × 6 that results in 7578
+ 1263 × 30 yielding 37890
+ 1263 × 400 resulting in 505200
+ 1263 × 1000 resulting in 1263000

= 1813668
