The speed of sound in the air is about 34 m/s, how many kilometers per minute?
声音在空气中，传播速度约为34米/秒，合每分钟多少千米？
<gadget id="calculator">34 / 1_000</gadget>
<output>17/500 = around 0.034</output>

<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">(17/500) / (1/60)</gadget>
<output>51/25 = around 2.04</output>

<result>51/25 = around 2.04</result>