Dolphins can swim 70 kilometers per hour, faster 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，比蓝鲸的速度快(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>7/6 = around 1.166667</output>

<gadget id="calculator">70 / (7/6)</gadget>
<output>60</output>

<result>60</result>