Xiaolin's electricity bill in September is 92 yuan. After installing the time-sharing meter, the electricity bill in October is lower than that in September (7/23). How much is the electricity bill in October less than in September?
小林家九月份的电费是92元，安装分时电表后，十月份的电费比九月份减少(7/23)．十月份电费比九月份少多少元．
<gadget id="calculator">7 / 23</gadget>
<output>7/23 = around 0.304348</output>

<gadget id="calculator">92 * (7/23)</gadget>
<output>28</output>

<result>28</result>