In the 100-meter race, Xiaohong took 13 seconds, Xiaoming was 3 seconds slower than Xiaohong, how many seconds did Xiaoming take
在100米赛跑比赛中，小红用了13秒，小明比小红慢3秒，小明用了多少秒
<gadget id="calculator">13 + 3</gadget>
<output>16</output>

<result>16</result>