steel bar is 30.5 meters long, 3.5 meters are cut off, and the rest is divided into 15 sections on average. How many meters is each section?
一根钢条长30.5米，截去3.5米，其余的平均分成15段，每段长多少米？
<gadget id="calculator">30.5 - 3.5</gadget>
<output>27</output>

<gadget id="calculator">27 / 15</gadget>
<output>9/5 = around 1.8</output>

<result>9/5 = around 1.8</result>