The refrigerator factory produced 2,100 refrigerators in May, which was 1/6 more than in April. How many refrigerators were produced in two months?
电冰箱厂5月份生产冰箱2100台，比4月份多生产了(1/6)，两个月一共生产冰箱多少台？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">2_100 / (7/6)</gadget>
<output>1_800</output>

<gadget id="calculator">1_800 + 2_100</gadget>
<output>3_900</output>

<result>3_900</result>