There are 1520 pots of orchids in the garden, the orchids are roses (4/5), the roses are chrysanthemums (2/3), how many pots of chrysanthemums are there in the garden?
花园里有兰花1520盆，兰花是玫瑰花的(4/5)，玫瑰花又是菊花的(2/3)，花园里有菊花多少盆？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1_520 / (4/5) / (2/3)</gadget>
<output>2_850</output>

<result>2_850</result>