Xiaosheng has 169.5 yuan of lucky money, and this semester he has saved 58.5 yuan of pocket money. He wants to use the money to buy 9.5 yuan of extra-curricular books to donate to children in the earthquake-stricken areas of Ludian, Yunnan. How many books can he buy?
小生有压岁钱169.5元，这学期他又攒了58.5元的零花钱，他想用这些钱来买9.5元一本的课外书捐给云南鲁甸地震灾区的小朋友，可以买多少本？
<gadget id="calculator">169.5 + 58.5</gadget>
<output>228</output>

<gadget id="calculator">228 / 9.5</gadget>
<output>24</output>

<result>24</result>