China Resources Thermal Power Plant saves 3 tons of coal per week. If every 10 kilograms of coal can generate 15 kilowatt-hours of electricity, according to this calculation, how many kilowatt-hours can the thermal power plant save coal to generate electricity every week?
华润火力发电厂每周节约用煤3吨，如果每10千克煤可以发电15度，照这样计算，该火力发电厂每周节约的煤可以发电多少度？
<gadget id="calculator">15 / 10</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">3 * 1_000</gadget>
<output>3_000</output>

<gadget id="calculator">(3/2) * 3_000</gadget>
<output>4_500</output>

<result>4_500</result>