The dolphin swims 10 kilometers more per hour than the blue whale, and is faster (1/6) than the blue whale. How many kilometers per hour is the blue whale?
海豚每小时比蓝鲸多游10千米，比蓝鲸时速快(1/6)，蓝鲸时速多少千米？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">10 / (1/6)</gadget>
<output>60</output>

<result>60</result>