Master Wang completed 102% of the production tasks last month, and 65% of the plan was completed in the first half of the month. What percentage of the plan will be completed in the second half of the month?
王师傅上月完成生产任务的102%，其中上半月完成计划的65%，则下半月完成计划的百分之几？
<gadget id="calculator">102 / 100</gadget>
<output>51/50 = around 1.02</output>

<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">(51/50) - (13/20)</gadget>
<output>37/100 = around 0.37</output>

<result>37/100 = around 0.37</result>