It costs 222 yuan to subscribe to the monthly magazine "Mathematics Research" for one year. How much is the monthly price of "Mathematics Research"?
订一年的月刊《数学研究》共需222元，《数学研究》每月定价多少元？
<gadget id="calculator">222 / 12</gadget>
<output>37/2 = around 18.5</output>

<result>37/2 = around 18.5</result>