The homework that Xiao Ming needs to complete: check information on the Internet (10 minutes), print the information (5 minutes), read English stories (4 minutes), practice verbal calculations (3 minutes), how many minutes does it take to complete various tasks in the shortest time.
小明需要完成的作业：上网查资料(10分钟)，打印资料(5分钟)，读英语故事(4分钟)，练口算(3分钟)，它完成各项作业，最短需要多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">10 + 5 + 2</gadget>
<output>17</output>

<result>17</result>