The number of cars is more than that of trucks (1/12), so the number of trucks is the number of cars
小汽车的辆数比货车多(1/12)，那么货车辆数是小汽车的多少
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 + (1/12)</gadget>
<output>13/12 = around 1.083333</output>

<gadget id="calculator">1 / (13/12)</gadget>
<output>12/13 = around 0.923077</output>

<result>12/13 = around 0.923077</result>