Some people in Class 4 and 4 posted blackboard newspapers in the classroom. One of the boys said: "I saw three more boys than girls." Another girl said: "The girls I saw were exactly half of the boys." How many students are there in the blackboard newspaper?
四4班有一部分人在教室里出黑板报，其中一个男生说："我看到的男生比女生多3人．"另一个女生说："我看到的女生恰好是男生的一半．"出黑板报的学生共有多少人．
<gadget id="calculator">1 + 3 + 1</gadget>
<output>5</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 / (1/2)</gadget>
<output>10</output>

<gadget id="calculator">10 - 1 - 3</gadget>
<output>6</output>

<gadget id="calculator">10 + 6</gadget>
<output>16</output>

<result>16</result>