No problem, we've got 1301 and 4215 to multiply
1301 × 4215 = 4215 × (1301)
+ 4215 × 1 that equals 4215
+ 4215 × 00 that is equal 0
+ 4215 × 300 yielding 1264500
+ 4215 × 1000 yielding 4215000

= 5483715
