A train has traveled 350 kilometers, exactly (1/4) of the whole journey, how many kilometers are left?
一列火车行驶了350千米，正好行驶了全程的(1/4)，还剩多少千米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">350 / (1/4)</gadget>
<output>1_400</output>

<gadget id="calculator">1_400 - 350</gadget>
<output>1_050</output>

<result>1_050</result>