Wang Ming went to the supermarket and bought a bottle of ink for 0.55 yuan and a large print book for 0.7 yuan. He paid 2 yuan. How much should he get back?
王明去超市买了一瓶墨汁0.55元，买了一个大字本0.7元，付了2元，应找回多少元？
<gadget id="calculator">0.55 + 0.7</gadget>
<output>1.25</output>

<gadget id="calculator">2 - 1.25</gadget>
<output>0.75</output>

<result>0.75</result>