The parent committee of the second class of the fifth grade bought some exercise books for the students at a unit price of 1.5 yuan. If these exercise books are only distributed to girls in the class, each girl can get 15 copies on average; if these exercise books are only distributed to The boys in the class can get 10 books per boy on average, so how much should each person pay for distributing these exercise books to the whole class?
五年级二班家长委员会给同学们买来一些单价为1.5元的练习本，如果将这些练习本只分发给班上的女生，平均每位女生可得15本；如果将这些练习本只分发给班上的男生，平均每位男生可得10本，那么将这些练习本分发给全班同学，每人应付多少钱？
<gadget id="calculator">6 * 1.5</gadget>
<output>9</output>

<result>9</result>