There are 180 kilograms of pears in the fruit shop, which is 30 kilograms more than (3/4) the weight of oranges. How many kilograms are there in oranges?
水果店有梨180千克，比桔子重量的(3/4)多30千克，桔子有多少千克？
<gadget id="calculator">180 - 30</gadget>
<output>150</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">150 / (3/4)</gadget>
<output>200</output>

<result>200</result>