Xiao Ming bought 3 small footballs at the store and paid 20 yuan, and got 1.85 yuan back. How much is each football?
小明到商店买了3个小型足球付出20元，找回1.85元，每个足球多少元？
<gadget id="calculator">20 - 1.85</gadget>
<output>18.15</output>

<gadget id="calculator">18.15 / 3</gadget>
<output>6.05</output>

<result>6.05</result>