There are 5 classes in the fourth grade, with 58 students in each class, including 130 girls. How many boys are there?
四年级有5个班，每班58个人，其中女生有130人．男生有多少人？
<gadget id="calculator">58 * 5</gadget>
<output>290</output>

<gadget id="calculator">290 - 130</gadget>
<output>160</output>

<result>160</result>