Shicun Primary School saved 288 kWh of electricity in September and 227 kWh of electricity in October. Calculated at 0.617 yuan per kWh, how much is the electricity bill saved in October compared to September?
适存小学9月份节约用电288度，10月份节约用电227度，按每度电0.617元计算，十月份比九月份节约电费多少元？
<gadget id="calculator">288 - 227</gadget>
<output>61</output>

<gadget id="calculator">61 * 0.617</gadget>
<output>37.637</output>

<result>37.637</result>