Xiao Ming bought two bottles of juice at the store, each bottle cost 1.60 yuan, and he paid the salesperson 5 yuan, how much should the salesperson get back?
小明在商店买了两瓶果汁，每瓶1.60元，他付给售货员5元钱，售货员应找回多少元？
<gadget id="calculator">1.6 * 2</gadget>
<output>3.2</output>

<gadget id="calculator">5 - 3.2</gadget>
<output>1.8</output>

<result>1.8</result>