379 girls visited the observatory, and 19 boys went there three times more than girls. How many boys are there?
去天文台参观的女生有379人，男生去的人数比女生的3倍还多19人．男生有多少人？
<gadget id="calculator">379 * 3</gadget>
<output>1_137</output>

<gadget id="calculator">1_137 + 19</gadget>
<output>1_156</output>

<result>1_156</result>