There are 1500 pigs in the livestock farm, and the number of cows is more than the number of pigs (1/5). How many cows are there?
畜牧场养猪1500头，牛的头数比猪的头数多(1/5)，养牛多少头？
<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">1_500 * (6/5)</gadget>
<output>1_800</output>

<result>1_800</result>