Zhenyu Primary School has booked 13 kinds of educational periodicals priced at 5 yuan/month this year. These educational periodicals are issued monthly. How much will the school pay for the periodicals this year?
镇宇小学今年预订了13种定价为5元/月的教育期刊，这些教育期刊每月一期，该校今年要付多少元的杂志费？
<gadget id="calculator">5 * 12 * 13</gadget>
<output>780</output>

<result>780</result>