No problem, we've got 1238 and 4220 to multiply
1238 × 4220 = 4220 × (1238)
+ 4220 × 8 that is equal 33760
+ 4220 × 30 which equals 126600
+ 4220 × 200 that results in 844000
+ 4220 × 1000 what gives us 4220000

= 5224360
