Xiaofang collected some pictures, she took out half of the pictures and gave one more to Xiaofang, and she had 15 pictures left, how many pictures did Xiaofang have.
小芳收集了一些画片，她拿出画片的一半还多1张送给小芳，自己还剩15张，小芳原来有多少张画片．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">11 / (1/2)</gadget>
<output>22</output>

<result>22</result>