Uncle Li needs to take a car from A to B, and needs to take a train from B to C. Originally, the fare from A to C is 250 yuan. Because the bus ticket has increased (1/10), the train ticket has increased (1/10) /5), it turned out that it cost 280 yuan to go from place A to place C. How much is the bus ticket now?
李叔叔从甲地到乙地需坐汽车，从乙地到丙地需坐火车，原来从甲地到丙地需250元车费，由于汽车票上涨(1/10)，火车票上涨(1/5)，结果从甲地到丙地共花了280元，汽车票现在多少元？
<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">250 * (6/5)</gadget>
<output>300</output>

<gadget id="calculator">300 - 280</gadget>
<output>20</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/5) - (1/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">20 / (1/10)</gadget>
<output>200</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">200 * (11/10)</gadget>
<output>220</output>

<result>220</result>