A single sofa is 175 yuan each, and its matching cushion is 35 yuan each. How much does it cost to buy 16 such sofas, each with cushions?
一种单人沙发每只175元，与它配套的垫子每只35元．买这样的沙发16只，并且每只都配上垫子，共需要多少钱？
<gadget id="calculator">175 * 16</gadget>
<output>2_800</output>

<gadget id="calculator">35 * 16</gadget>
<output>560</output>

<gadget id="calculator">2_800 + 560</gadget>
<output>3_360</output>

<result>3_360</result>