A project can be completed in 10 days by the cooperation of teams A and B. Now Team A has been working for 5 days, Team B has been working for 10 days, and there is still (1/3) of the whole project left to be done. How many days will it take Team B to complete the whole project alone?
一项工程，甲、乙两队合作10天可以完成全工程．现在甲队做5天，乙队做10天后，还剩全工程的(1/3)没做．乙队单独完成全工程需要多少天．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 5</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">10 - 5</gadget>
<output>5</output>

<gadget id="calculator">(1/6) / 5</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">1 / (1/30)</gadget>
<output>30</output>

<result>30</result>