Alright, let's work through 7240 times 2837 step by step
7240 × 2837 = 2837 × (7240)
+ 2837 × 0 what gives us 0
+ 2837 × 40 yielding 113480
+ 2837 × 200 resulting in 567400
+ 2837 × 7000 that results in 19859000

= 20539880
