There are 58 boys in the three classes of the third grade, and 17 girls in each class. How many people are there in the three classes?
三年级三个班一共有58名男生，女生每班有17人，三个班一共有多少人．
<gadget id="calculator">17 * 3</gadget>
<output>51</output>

<gadget id="calculator">58 + 51</gadget>
<output>109</output>

<result>109</result>