The two sisters made flowers, the elder sister made 26 flowers, and the younger sister made 18 flowers. After the elder sister gave the younger sister as many flowers, the two had the same number of flowers.
姐妹俩做花，姐姐做了26朵，妹妹做了18朵，姐姐给妹妹多少朵后，两人的花就一样多了．
<gadget id="calculator">26 + 18</gadget>
<output>44</output>

<gadget id="calculator">44 / 2</gadget>
<output>22</output>

<gadget id="calculator">26 - 22</gadget>
<output>4</output>

<result>4</result>