A certain factory used 200,000 kWh of electricity last year, but this year it saved 30% of electricity consumption compared with last year. How many kWh of electricity will it use this year?
某工厂去年用电20万千瓦时，今年比去年节约用电三成，今年用电多少万千瓦时？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">20 * (7/10)</gadget>
<output>14</output>

<result>14</result>