Team A and Team B want to pave 150.2 kilometers of railway. Team B first paved for several days and then transferred away due to business. Team A continued to pave for 8 days before completing the project. Team A paved 7.4 kilometers per day, and team B paved 7 kilometers per day. How many days did team B pave?
甲乙两队要铺150.2千米的铁路，乙队先铺了若干天后，因公调离，甲队接着铺了8天才完工．甲队每天铺了7.4千米，乙队每天铺7千米，乙队铺了多少天？
<gadget id="calculator">7.4 * 8</gadget>
<output>59.2</output>

<gadget id="calculator">150.2 - 59.2</gadget>
<output>91</output>

<gadget id="calculator">91 / 7</gadget>
<output>13</output>

<result>13</result>