canteen has three stoves, large, medium, and small. The total coal consumption is 104 kg per day. The coal consumption of the large stove for 2 days, the medium stove for 3 days, and the small stove for 4 days are equal.
某食堂有大、中、小三个火炉，一天共用煤104千克，大火炉2天，中火炉3天，小火炉4天的用煤量相等，大火炉一天用煤多少千克．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) + (1/3) + (1/4)</gadget>
<output>13/12 = around 1.083333</output>

<gadget id="calculator">104 / (13/12)</gadget>
<output>96</output>

<gadget id="calculator">96 * (1/2)</gadget>
<output>48</output>

<result>48</result>