The ratio of two numbers is (4/5). If these two numbers are multiplied by 5 at the same time, what is their ratio?
两个数的比值是(4/5)，这两个数同时乘5，它们的比值是多少．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>