Xiaolan's schoolbag is 45 yuan, and Xiaoli's schoolbag is 8 yuan cheaper than Xiaolan's. How much are Xiaolan's and Xiaoli's schoolbags in total?
小兰的书包45元，小丽的书包比小兰的便宜8元，小兰和小丽的书包一共多少元？
<gadget id="calculator">45 - 8</gadget>
<output>37</output>

<gadget id="calculator">37 + 45</gadget>
<output>82</output>

<result>82</result>