desk is 125 yuan and an office chair is 45 yuan. How much does it cost to buy 16 sets of desks and chairs?
一张办公桌125元一把办公椅45元，买了16套桌椅一共要花多少元？
<gadget id="calculator">125 + 45</gadget>
<output>170</output>

<gadget id="calculator">170 * 16</gadget>
<output>2_720</output>

<result>2_720</result>