A car drives from place A to place B. It has traveled the full length (3/4), the total length is 120 kilometers, how many kilometers are left?
一辆汽车从甲地开往乙地，已经行了全长的(3/4)，全长120千米，还剩下多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">120 * (1/4)</gadget>
<output>30</output>

<result>30</result>