The students wanted to plant 102 trees. The original plan was to plant 12 trees per day, but they actually planted 5 more trees per day than the original plan. How many days did it actually take? (Column comprehensive formula solution)
同学们要栽102棵树，原计划每天栽12棵，实际每天比原计划多栽5棵，实际用了多少天？(列综合算式解答)
<gadget id="calculator">12 + 5</gadget>
<output>17</output>

<gadget id="calculator">102 / 17</gadget>
<output>6</output>

<result>6</result>