There are two road repair teams, A and B. Team A has built 4.8km of road, and team B has repaired more (7/20) than team A. How many kilometers has team B built?
甲乙两个修路队甲队修路4.8km，乙队比甲队多修(7/20)，乙队修了多少千米？
<gadget id="calculator">7 / 20</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">1 + (7/20)</gadget>
<output>27/20 = around 1.35</output>

<gadget id="calculator">4.8 * (27/20)</gadget>
<output>6.48</output>

<result>6.48</result>