There are 486 pears in the first pile and 500 pears in the second pile. How many pears should be taken from the second pile and put into the first pile to make the two piles have the same number of pears?
第一堆梨有486个，第二堆梨有500个．要使两堆梨的个数同样多，应该从第二堆梨中取出几个放入第一堆？
<gadget id="calculator">486 + 500</gadget>
<output>986</output>

<gadget id="calculator">986 / 2</gadget>
<output>493</output>

<gadget id="calculator">500 - 493</gadget>
<output>7</output>

<result>7</result>