Let's calculate 4445 x 7001
4445 × 7001 = 7001 × (4445)
+ 7001 × 5 what gives us 35005
+ 7001 × 40 yielding 280040
+ 7001 × 400 what gives us 2800400
+ 7001 × 4000 that results in 28004000

= 31119445
