Two engineering teams, A and B, are building a road with a length of 150 kilometers. The two teams start construction at the same time and complete it in 20 days. Team A repairs 3.8 kilometers every day, how many kilometers does Team B repair every day? (column equation solution)
甲乙两支工程队修一条长150千米的公路，两队同时动工，20天完成．甲队每天修3.8千米，乙队每天修多少千米？(列方程解答)
<gadget id="calculator">3.8 * 20</gadget>
<output>76</output>

<gadget id="calculator">150 - 76</gadget>
<output>74</output>

<gadget id="calculator">74 / 20</gadget>
<output>37/10 = around 3.7</output>

<result>37/10 = around 3.7</result>