There are 18 female teachers in the school, and the number of male teachers is 5 times that of female teachers. How many teachers are there in the school?
学校有女教师18人，男教师是女教师的5倍，学校有教师多少人？
<gadget id="calculator">18 * 5</gadget>
<output>90</output>

<gadget id="calculator">18 + 90</gadget>
<output>108</output>

<result>108</result>