The students donated money to the disaster area. Xiao Ming donated 45 yuan, and Xiao Jun donated 6.25 yuan less than Xiao Ming. How much did Xiao Ming and Xiao Jun donate in total? (calculate with a calculator)
同学们为灾区捐款，小明捐了45元，小军比小明少捐6.25元，小明和小军一共捐了多少元？(用计算器计算)
<gadget id="calculator">45 - 6.25</gadget>
<output>38.75</output>

<gadget id="calculator">38.75 + 45</gadget>
<output>83.75</output>

<result>83.75</result>