A handkerchief is 0.2 yuan, which is 1.8 yuan cheaper than a towel. How much does it cost to buy a handkerchief and a towel?
一块手帕0.2元，比一条毛巾便宜1.8元，买一块手帕和一条毛巾一共花费多少元？
<gadget id="calculator">0.2 + 1.8 + 0.2</gadget>
<output>2.2</output>

<result>2.2</result>