No problem, we've got 2146 and 1145 to multiply
2146 × 1145 = 1145 × (2146)
+ 1145 × 6 that equals 6870
+ 1145 × 40 that is equal 45800
+ 1145 × 100 that results in 114500
+ 1145 × 2000 that equals 2290000

= 2457170
