Traveling 100km per hour, how many kilometers is traveling in 1 hour and 37 minutes.
每小时行进100km，1小时37分行进多少km．
<gadget id="calculator">97 / 60</gadget>
<output>97/60 = around 1.616667</output>

<gadget id="calculator">100 * (97/60)</gadget>
<output>485/3 = around 161.666667</output>

<result>485/3 = around 161.666667</result>