The blue whale swims 84 kilometers per hour, which is slower (1/4) than the speed of the shark. How many kilometers per hour does the shark swim?
蓝鲸每小时游84千米，比鲨鱼的速度慢(1/4)．鲨鱼每小时游多少千米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">84 / (3/4)</gadget>
<output>112</output>

<result>112</result>