No problem, we've got 2020 and 5782 to multiply
2020 × 5782 = 5782 × (2020)
+ 5782 × 0 what gives us 0
+ 5782 × 20 resulting in 115640
+ 5782 × 000 yielding 0
+ 5782 × 2000 yielding 11564000

= 11679640
