Xiaoxiao bought a toy plane, paid 5 yuan, and 1.6 yuan in change. How much is the toy plane?
笑笑买玩具飞机，实付5元，找零1.6元，玩具飞机多少钱？
<gadget id="calculator">5 - 1.6</gadget>
<output>3.4</output>

<result>3.4</result>