75 How much is (1/5) to increase it.
75增加它的(1/5)是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">75 * (6/5)</gadget>
<output>90</output>

<result>90</result>