Naughty Man's phone bill in June is 54 yuan, and July is 20% more than in June. How much is the phone bill in July?
淘气家六月份电话费是54元，七月份比六月份多20%，七月份的电话费是多少元？
<gadget id="calculator">20 / 100</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">54 * (6/5)</gadget>
<output>324/5 = around 64.8</output>

<result>324/5 = around 64.8</result>