I have 140 yuan, and I spent 62 yuan to buy a schoolbag. I bought 3 more books with the remaining money. How much did I spend on each book?
我有140元钱，买一个书包用了62元，剩下的钱又买了3本书，每本书用了多少元？
<gadget id="calculator">140 - 62</gadget>
<output>78</output>

<gadget id="calculator">78 / 3</gadget>
<output>26</output>

<result>26</result>