Xiaodong and Xiaoqiang are playing the ball touching game. They both have the same number of balls. Each time Xiaodong takes out the number of Xiaoqiang’s (2/9). Dong has 56 balls left. Ask: How many balls did Xiaodong and Xiaoqiang originally have?
小东和小强做摸球游戏，两人球数一样多，每次小东取出的个数是小强的(2/9)，两人各取4次后，小强的球刚好取完，小东的还剩56个，问：小东和小强原来各有多少个球？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(2/9) * 4</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">4 - (8/9)</gadget>
<output>28/9 = around 3.111111</output>

<gadget id="calculator">56 / (28/9)</gadget>
<output>18</output>

<gadget id="calculator">18 * 4</gadget>
<output>72</output>

<result>72</result>