The bookstore launched a "30 yuan discount for buying books over 200 yuan" activity to celebrate New Year's Day. Congcong bought 8 science and technology books, with an average of 28 yuan each. How much did Congcong actually pay?
书店开展庆元旦"买书满200元减30元活动"，聪聪买了8本科技书，平均每本28元，聪聪实际只要付多少元？
<gadget id="calculator">8 * 28</gadget>
<output>224</output>

<gadget id="calculator">224 - 30</gadget>
<output>194</output>

<result>194</result>