Koizumi and Xiaomei each have some animation cards. Xiaomei has 17 more cards than Koizumi, and Koizumi has half of Xiaomei's number of cards and 2 less. How many copies do Koizumi and Xiaomei have?
小泉和小美各有一些动漫卡片．小美的张数比小泉多17张，小泉的张数是小美的一半少2张．小泉和小美共有多少张？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 17</gadget>
<output>17/2 = around 8.5</output>

<gadget id="calculator">(17/2) - 2</gadget>
<output>13/2 = around 6.5</output>

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

<gadget id="calculator">(13/2) / (1/2)</gadget>
<output>13</output>

<gadget id="calculator">13 + 17 + 13</gadget>
<output>43</output>

<result>43</result>