Two engineering teams, A and B, simultaneously paved a section of railway from the same location in opposite directions, and paved a total of 270 meters in 9 days. Team A spreads 14.7 meters per day on average. How many meters does Team B spread on average per day?
甲乙两个工程队同时从同一地点向相反方向铺一段铁路，9天共铺270米．甲队平均每天铺14.7米乙队平均每天铺多少米？
<gadget id="calculator">270 / 9</gadget>
<output>30</output>

<gadget id="calculator">30 - 14.7</gadget>
<output>15.3</output>

<result>15.3</result>