The sales income of Xinxin Supermarket in September was 7,200 yuan, and the income in October increased by (1/6) compared with that in September. How much is the sales income in October?
新新超市九月份销售收入7200元，十月份比九月份收入增加了(1/6)，十月份销售收入多少元？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">7_200 * (7/6)</gadget>
<output>8_400</output>

<result>8_400</result>