The electricity bill of Xiaoming’s family in September is 89.10 yuan, and the electricity bill in October is 100.75 yuan. How much more is the average daily electricity bill in October than in September?
小明家九月份电费89.10元，十月份电费是100.75元，十月份平均每天比九月份平均每天多用电费多少元？
<gadget id="calculator">100.75 / 31</gadget>
<output>3.25</output>

<gadget id="calculator">89.1 / 30</gadget>
<output>2.97</output>

<gadget id="calculator">3.25 - 2.97</gadget>
<output>0.28</output>

<result>0.28</result>