No problem, we've got 5251 and 2380 to multiply
5251 × 2380 = 2380 × (5251)
+ 2380 × 1 giving us 2380
+ 2380 × 50 which equals 119000
+ 2380 × 200 resulting in 476000
+ 2380 × 5000 yielding 11900000

= 12497380
