Basket A contains 80 pears and Basket B contains 50 pears. Take out 3 pears from basket A and put them into basket B every time. How many times have the pears in the two baskets been equal?
甲筐有梨80个，乙筐有梨50个．每次从甲筐拿出3个放入乙筐，拿了几次后两筐梨的个数相等？
<gadget id="calculator">50 + 80</gadget>
<output>130</output>

<gadget id="calculator">130 / 2</gadget>
<output>65</output>

<gadget id="calculator">65 - 50</gadget>
<output>15</output>

<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<result>5</result>