Mr. Li bought 44 bags of feed for 880 yuan. After searching the Internet, he found that the feed was purchased directly from the manufacturer at 16 yuan per bag. How much did Mr. Li spend in total?
李先生花880元钱买了44袋饲料．他上网搜索后发现，这种饲料从厂家直接购货，每袋16元．李先生一共多花了多少元？
<gadget id="calculator">44 * 16</gadget>
<output>704</output>

<gadget id="calculator">880 - 704</gadget>
<output>176</output>

<result>176</result>