Xiaohua and Xiaohong clean up the piggy bank, and Xiaohua finds that after giving Xiaohong 2.5 yuan, the two have the same amount of money. How much more did Xiaohua have than Xiaohong?
小华和小红清理储钱罐，小华发现给小红2.5元后两人的钱数就同样多了．小华原来比小红多多少元？
<gadget id="calculator">2.5 + 2.5</gadget>
<output>5</output>

<result>5</result>