Buy a box of yogurt for 2.5 yuan, a box of 16 boxes of yogurt, and buy a whole box of yogurt at a discount of 3.60 yuan, Xiao Pang bought a box of yogurt with a 50 yuan bill, how much money will you get back?
买一盒酸奶2.5元，一箱酸奶装16盒，买整箱酸奶优惠3.60元，小胖用一张50元钞票买了一箱酸奶，找回多少元？
<gadget id="calculator">2.5 * 16</gadget>
<output>40</output>

<gadget id="calculator">50 - 40</gadget>
<output>10</output>

<gadget id="calculator">10 + 3.6</gadget>
<output>13.6</output>

<result>13.6</result>