Alright, let's work through 1837 times 2870 step by step
1837 × 2870 = 2870 × (1837)
+ 2870 × 7 what gives us 20090
+ 2870 × 30 giving us 86100
+ 2870 × 800 which equals 2296000
+ 2870 × 1000 that is equal 2870000

= 5272190
