It takes 4.8 minutes to cut a long rope into 4 sections, and how many minutes to cut it into 8 sections.
把一根长绳剪成4段要4.8分钟，剪成8段要多少分钟．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">4.8 / 3</gadget>
<output>1.6</output>

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

<gadget id="calculator">1.6 * 7</gadget>
<output>11.2</output>

<result>11.2</result>