Mr. Wang’s house uses 285 kWh of electricity in September and 328 kWh of electricity in October. How much more electricity is used in October than in September?
王老师家九月用电285度，十月用电328度．十月用电比九月多用多少度？
<gadget id="calculator">328 - 285</gadget>
<output>43</output>

<result>43</result>