Xiao Ming folded 50 paper pigeons, 15 more than Xiao Hong. How many paper pigeons did they fold in total?
小明折了50只纸鸽，比小红多折了15只．他们一共折了多少只纸鸽？
<gadget id="calculator">50 - 15</gadget>
<output>35</output>

<gadget id="calculator">35 + 50</gadget>
<output>85</output>

<result>85</result>