The sea peck and the blue whale have a swimming competition. The dolphin can swim 70km per hour, which is 1/6 faster than the blue whale. How many kilometers can the blue whale swim per hour?
海啄和蓝鲸进行游泳比赛，海豚每小时可以游70km，比蓝鲸的速度快(1/6)，蓝鲸每小时可游多少千米？
<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>