Team A and Team B built a road at the same time. Team A completed the road (4/15), and Team B built the road more than Team A (2/15). The two teams built a total of several parts of the road How much?
甲、乙两队同时修一条路，甲队完成了这条路的(4/15)，乙队比甲队多修这条路的(2/15)，两队一共修了这条路的几分之几？
<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">(4/15) + (2/15) + (4/15)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>