The construction of a canal in Xiaokang Village was originally planned to be completed in 15 days. In fact, 36 meters were repaired every day, and the result was completed 2 days earlier than the original plan. How many meters were repaired per day originally planned?
小康村修一条水渠，原计划15天修完．实际每天修了36米，结果比原计划提前2天修完，原计划每天修多少米？
<gadget id="calculator">15 - 2</gadget>
<output>13</output>

<gadget id="calculator">36 / 15</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">13 * (12/5)</gadget>
<output>156/5 = around 31.2</output>

<result>156/5 = around 31.2</result>