There are 14 complete primary schools in Bicheng Town. From each complete primary school, 7 town-level three-good students and three county-level three-good students should be selected. How many three good students should be selected in the whole town? (column comprehensive formula calculation)
碧城镇有14个完小，要从每个完小中评选7名镇级三好学生和3名县级三好学生，全镇要评选三好学生多少名？(列综合算式计算)
<gadget id="calculator">7 + 3</gadget>
<output>10</output>

<gadget id="calculator">14 * 10</gadget>
<output>140</output>

<result>140</result>