The small book box in class 31 lent out half of the books on the first day, and then lent out 43 books on the second day, leaving 32 books left. How many books are there in the small book box?
三1班小图书箱第一天借出了存书的一半，第2天又借出43本，还剩32本．小图书箱原有图书多少本？
<gadget id="calculator">32 + 43</gadget>
<output>75</output>

<gadget id="calculator">75 * 2</gadget>
<output>150</output>

<result>150</result>