A master carpenter needs to saw a 2.4-meter-long wooden strip into 0.6-meter-long small wooden strips. If it takes 2.5 minutes to saw each section, how many minutes will it take to saw this wooden strip.
木工师傅要把一根长2.4米的木条锯成0.6米的小木条，如果每锯一段要2.5分钟，把这根木条锯完需要多少分钟．
<gadget id="calculator">2.4 / 0.6</gadget>
<output>4</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">2.5 * 3</gadget>
<output>7.5</output>

<result>7.5</result>