When we came to the Platinum Coast, the activities of the students started. Xiao Ming caught 25 hermit crabs, which was 1 less than Xiao Fang's. How many crabs did Xiao Fang catch?
来到白金海岸，同学们活动开了．小明抓了25只寄居蟹，比小芳抓的2倍少1只，小芳抓了多少只？
<gadget id="calculator">25 + 1</gadget>
<output>26</output>

<gadget id="calculator">26 / 2</gadget>
<output>13</output>

<result>13</result>