There were 70 books in the book corner of class 3 and 2, but 34 books were lent out today, and 26 books were returned. How many books are there in the book corner now? ?
三2班图书角原有70本书，今天借出34本，又还来26本．图书角现在有图书多少本．？
<gadget id="calculator">70 - 34</gadget>
<output>36</output>

<gadget id="calculator">36 + 26</gadget>
<output>62</output>

<result>62</result>