How much more is 90 kilometers than 60 kilometers
90千米比60千米多多少
<gadget id="calculator">90 - 60</gadget>
<output>30</output>

<gadget id="calculator">30 / 60</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>