Dolphins can swim 70 kilometers per hour, slower than blue whales (1/6). How many kilometers can a blue whale swim per hour?
海豚每小时可以游70千米，比蓝鲸的速度慢(1/6)．蓝鲸每小时可以游多少千米？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">70 / (5/6)</gadget>
<output>84</output>

<result>84</result>