Xiaohong originally had 2 more cards than Xiaolan, and after Xiaohong gave Xiaolan 5 cards, how many cards does Xiaohong have less than Xiaolan now?
小红原来的卡片比小兰多2张，小红给小兰5张后，现在小红比小兰少几张卡片？
<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<gadget id="calculator">10 - 5</gadget>
<output>5</output>

<gadget id="calculator">5 - 5</gadget>
<output>0</output>

<gadget id="calculator">8 + 0</gadget>
<output>8</output>

<result>8</result>