No problem, we've got 3148 and 1370 to multiply
3148 × 1370 = 1370 × (3148)
+ 1370 × 8 producing 10960
+ 1370 × 40 what gives us 54800
+ 1370 × 100 that is equal 137000
+ 1370 × 3000 that equals 4110000

= 4312760
