Xiaohua took 25 photos during the tour, and each photo was printed for 0.45 yuan. How much did he spend to print these photos?
小华在旅游中拍了25张照片，洗印每张照片0.45元，他一共要花多少钱洗印这些照片？
<gadget id="calculator">0.45 * 25</gadget>
<output>11.25</output>

<result>11.25</result>