Junjun has 309 paintings, and Fang Fang has 196 paintings. Xiaohong has 254 fewer cards than Jun Jun and Fang Fang. How many cards does Xiaohong have?
军军有309张画，方方有196张画．小红比军军和方方的总张数少254张．小红有多少张？
<gadget id="calculator">196 - 254</gadget>
<output>-58</output>

<gadget id="calculator">309 + (-58)</gadget>
<output>251</output>

<result>251</result>