What is $7284 + 3991$ ?

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Answer 1 · 2016-04-09T22:14:55

$7284$ $+$ $3991$ $=$ $11275$

$7000$ $+$ $3000$ $=$ $10000$

$200$ $+$ $900$ $=$ $1100$

$80$ $+$ $90$ $=$ $170$

$4$ $+$ $1$ $=$ $5$

$10000$ $+$ $1100$ $+$ $170$ $+$ $5$ $=$ $11275$

What is 7284 + 39917284 + 3991?