The number of baskets of oranges shipped from the shopping mall is 3/4 that of apples. It is known that the number of baskets of apples shipped is 20 more than oranges. How many baskets of oranges are shipped?
商场运来橘子的筐数是苹果的(3/4)，已知运来的苹果比橘子多20筐，运来橘子多少筐？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / (1/4)</gadget>
<output>80</output>

<gadget id="calculator">80 - 20</gadget>
<output>60</output>

<result>60</result>