Mr. Li went to the store to buy balls. He bought 2 footballs and 1 basketball for a total of 135.5 yuan. It is known that each football is 28.5 yuan. How much is each basketball?
李老师到商店买球，买2个足球1个篮球一共花去了135.5元，已知每个足球28.5元，每个篮球多少元？
<gadget id="calculator">28.5 * 2</gadget>
<output>57</output>

<gadget id="calculator">135.5 - 57</gadget>
<output>78.5</output>

<result>78.5</result>