A bag of rice ate 1400 grams on the second day, 200 grams more than the first day (4/5), how many grams did you eat on the first day?
一袋大米第二天吃了1400克，比第一天的(4/5)多200克，第一天吃了多少克？
<gadget id="calculator">1_400 - 200</gadget>
<output>1_200</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_200 / (4/5)</gadget>
<output>1_500</output>

<result>1_500</result>