No problem, we've got 5243 and 1990 to multiply
5243 × 1990 = 1990 × (5243)
+ 1990 × 3 what gives us 5970
+ 1990 × 40 that is equal 79600
+ 1990 × 200 giving us 398000
+ 1990 × 5000 that is equal 9950000

= 10433570
