A car consumes (1/15) liter of fuel for 1 kilometer, how many kilometers can it travel with 1 liter of fuel.
一辆汽车行驶1千米耗油(1/15)升，1升油能行驶多少千米千米．
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

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

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

<result>15</result>