Xiao Lin did 40 questions in 5 minutes, 2 questions less than Xiao Wang per minute. How many dishes does Xiao Wang make per minute?
小林5分钟做40道题目，比小王每分钟少做2道．小王每分钟做几道？
<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<gadget id="calculator">8 + 2</gadget>
<output>10</output>

<result>10</result>