A pair of sportswear was brought in from the supermarket. After selling for 6 days, an average of 108 pieces were sold every day, and there were 112 pieces left. How many pieces of this batch of sportswear are there in total?
超市运来一怕运动服，卖了6天，平均每天卖了108件，还剩112件，这批运动服一共有多少件？
<gadget id="calculator">108 * 6</gadget>
<output>648</output>

<gadget id="calculator">648 + 112</gadget>
<output>760</output>

<result>760</result>