Xiaojun mistook the divisor 27 for 21 when calculating division, and the result was 16 with a remainder of 15. What should be the correct result
小军在计算除法时，把除数27误看成21，结果商是16，余数是15．正确的结果应是多少
<gadget id="calculator">16 * 21</gadget>
<output>336</output>

<gadget id="calculator">336 + 15</gadget>
<output>351</output>

<gadget id="calculator">351 / 27</gadget>
<output>13</output>

<result>13</result>