It took a total of 28 minutes to saw a steel pipe into small sections. It is known that it takes 4 minutes to saw each section. How many sections has this steel pipe been sawed into?
把一根钢管锯成小段，一共花了28分钟，已知每锯开一段需要4分钟，这根钢管被锯成了多少段？
<gadget id="calculator">28 / 4</gadget>
<output>7</output>

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

<result>8</result>