The fruit shop shipped 40 baskets of fruit, of which pears accounted for (2/5), apples (3/8), and the rest were oranges. How many baskets of oranges are there?
水果店运来40筐水果，其中梨占(2/5)，苹果占(3/8)，其余是橘子，橘子有多少筐？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (2/5) - (3/8)</gadget>
<output>9/40 = around 0.225</output>

<gadget id="calculator">40 * (9/40)</gadget>
<output>9</output>

<result>9</result>