There are several apples and pears each. If there are 5 apples and 3 pears in a bag, there are 4 more apples, and the pears are just filled; If there are 12 more, how many apples and pears are there in total?
苹果和梨各有若干只，如果5只苹果和3只梨装一袋，还多4只苹果，梨恰好装完；如果7只苹果和3只梨装一袋，苹果恰好装完，梨还多12只，那么苹果和梨共有多少只．
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">20 + 4</gadget>
<output>24</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">12 + 4</gadget>
<output>16</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">16 * 8</gadget>
<output>128</output>

<gadget id="calculator">128 + 4</gadget>
<output>132</output>

<result>132</result>