Team A and Team B jointly repaired a road. Team A repaired 120 meters, and Team B repaired 180 meters, which happened to be completed. By what percentage did Team B improve more than Team A?
甲乙两队合修一条路，甲队修了120米，乙队修了180米，恰好修完．乙队比甲队多修了百分之几？
<gadget id="calculator">180 - 120</gadget>
<output>60</output>

<gadget id="calculator">60 / 120</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>