The fruit wholesale department shipped 9 baskets of pears, exactly (1/4) of the apples, and (9/7) times as many apples as oranges. How many baskets of oranges were shipped?
水果批发部运来9筐梨，恰好是运来苹果的(1/4)，运来的苹果是桔子的(9/7)倍，求运来桔子多少筐？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">9 / 7</gadget>
<output>9/7 = around 1.285714</output>

<gadget id="calculator">9 / (1/4) / (9/7)</gadget>
<output>28</output>

<result>28</result>