It is known that "Fairy Tale" is priced at 10.00 yuan. A 10% discount for each book of "Fairy Tales" in Bookstore A; Buy 5 copies of "Fairy Tales" in Bookstore B and get 1 free. Teacher Wang wants to buy 24 copies of "Fairy Tales" for Class 1, which bookstore should I choose?
已知《童话故事》定价为10.00元．A书店中每本《童话故事》按九折优惠；B书店中购《童话故事》满5本送1本．王老师要为六1班买24本《童话故事》，应选哪家书店购买合算？
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<gadget id="calculator">24 - 4</gadget>
<output>20</output>

<gadget id="calculator">20 * 10</gadget>
<output>200</output>

<result>200</result>