A train travels at a speed of 90 kilometers per hour for (3/4) hours, exactly (1/20) of the whole journey, how many kilometers is the whole journey?
一列火车以每小时90千米的速度行了(3/4)小时，正好行了全程的(1/20)，全程多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(3/4) / (1/20)</gadget>
<output>15</output>

<gadget id="calculator">90 * 15</gadget>
<output>1_350</output>

<result>1_350</result>