The chemical fertilizer factory produced 120,000 tons of chemical fertilizers in May, which was 1/5 more than planned. How many tons of chemical fertilizers were originally planned to be produced?
化肥厂五月份生产化肥12万吨，比计划多生产了(1/5)，原计划生产化肥多少吨？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">12 / (6/5)</gadget>
<output>10</output>

<result>10</result>