Xiaoming and Xiaogang live in the same building and unit. Xiaoming lives on the fifth floor, and Xiaogang’s family lives on the eighth floor. They both walk down the stairs at the same speed to go home. Xiaoming spent 1.2 points. How much should Xiaogang use? point?
小明和小刚住在同一幢楼同一单元，小明住在五楼，小刚家住在八楼，他们两以同样的速度从楼下走楼梯回家，小明用了1.2分，小刚应该用多少分？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">1.2 / 4</gadget>
<output>0.3</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">0.3 * 7</gadget>
<output>2.1</output>

<result>2.1</result>