Alright, let's work through 2445 times 4012 step by step
2445 × 4012 = 4012 × (2445)
+ 4012 × 5 giving us 20060
+ 4012 × 40 that is equal 160480
+ 4012 × 400 that results in 1604800
+ 4012 × 2000 that is equal 8024000

= 9809340
