80% of A is equal to 60% of B, how much is A
甲的80%等于乙的60%，甲是乙的多少
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(3/5) / (4/5) / 1</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>