It used to be (7/10) meters of cloth to make a skirt, but now it only takes (3/5) meters. The cloth used to make 900 skirts, how many can be made now?
原来做一条裙子用布(7/10)米，现在只要(3/5)米．原来做900条裙子所用的布，现在可以做多少条？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">900 / (3/5)</gadget>
<output>1_500</output>

<gadget id="calculator">(7/10) * 1_500</gadget>
<output>1_050</output>

<result>1_050</result>