1 kilowatt-hour of electricity can mine (11/100) tons of coal, and 2 (1/2) 10,000 kilowatt-hours of electricity, how many tons of coal can be mined?
1度电可以采煤(11/100)吨，2(1/2)万度电，可以采煤多少吨？
<gadget id="calculator">11 / 100</gadget>
<output>11/100 = around 0.11</output>

<gadget id="calculator">25_000 * (11/100)</gadget>
<output>2_750</output>

<result>2_750</result>