A piece of bread costs 2.5 yuan, and a bottle of drink costs 3.4 yuan. How much more does it cost to buy a bottle of drink than to buy a piece of bread?
一个面包要2.5元，一瓶饮料要3.4元．买一瓶饮料比买一个面包要多付多少元？
<gadget id="calculator">3.4 - 2.5</gadget>
<output>0.9</output>

<result>0.9</result>