To celebrate New Year's Day, students in Class 4 and 1 plan to hang balloons around the classroom. The classroom is 8 meters long and 6 meters wide. Balloons are hung every 2 meters, and all four corners must be hung. Do you know how many balloons they have to prepare?
为庆祝元旦，四1班的同学打算在教室四周挂上气球，教室长8米，宽6米，每隔2米挂一个气球，四个角上都要挂．你知道他们要准备多少个气球吗？
<gadget id="calculator">8 + 6</gadget>
<output>14</output>

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

<gadget id="calculator">14 * 1</gadget>
<output>14</output>

<result>14</result>