One number is (3/5), the other number is more than it (1/5), what is the other number?
一个数是(3/5)，另一个数比它多(1/5)，另一个数是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(3/5) + (1/5)</gadget>
<output>4/5 = around 0.8</output>

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