Easy Trick

Algebra Level 1

20142014×2014201420142013×20142015=?\large \color{#3D99F6}{2014}\color{#3D99F6}{2014} \times \color{#3D99F6}{2014}\color{#3D99F6}{2014} - \color{#3D99F6}{2014}\color{#D61F06}{2013} \times \color{#3D99F6}{2014}\color{fuchsia}{2015} = ?

Don't use a calculator!

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