No problem, we've got 2142 and 2016 to multiply
2142 × 2016 = 2016 × (2142)
+ 2016 × 2 giving us 4032
+ 2016 × 40 what gives us 80640
+ 2016 × 100 that is equal 201600
+ 2016 × 2000 that equals 4032000

= 4318272
