The road repair team wants to build a road with a length of 120 kilometers. In the first month, 25% of the total length was repaired, and in the second month, the rest (2/3) was repaired. How many kilometers are left to be repaired?
修路队要修一条长120千米的路，第一个月修了全长的25%，第二个月修了剩下的(2/3)，还剩下多少千米没修？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 * (3/4)</gadget>
<output>90</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">90 * (1/3)</gadget>
<output>30</output>

<result>30</result>