Each meter of ribbon is 1.3 yuan. Wang Hong bought 2.8 meters. She paid the cashier 5 yuan. How much should I get back?
每米彩带1.3元，王红买了2.8米，她付给收款员5元，应找回多少钱？
<gadget id="calculator">1.3 * 2.8</gadget>
<output>3.64</output>

<gadget id="calculator">5 - 3.64</gadget>
<output>1.36</output>

<result>1.36</result>