No problem, we've got 2415 and 1970 to multiply
2415 × 1970 = 1970 × (2415)
+ 1970 × 5 what gives us 9850
+ 1970 × 10 that is equal 19700
+ 1970 × 400 producing 788000
+ 1970 × 2000 what gives us 3940000

= 4757550
