Xiao Ming and Xiao Dong shared pocket money of 200 yuan. After the Wenchuan Earthquake, Xiao Ming donated his own pocket money (5/8), and Xiao Dong donated his own pocket money (7/12). The two donated a total of 121 yuan. How much is Xiao Ming's original pocket money?
小明和小东共有零花钱200元，汶川地震后，小明捐了自己零花钱的(5/8)，小东捐了自己零花钱的(7/12)，两人共捐了121元．小明原有零花钱多少元？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(7/12) * 200</gadget>
<output>350/3 = around 116.666667</output>

<gadget id="calculator">121 - (350/3)</gadget>
<output>13/3 = around 4.333333</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(5/8) - (7/12)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(13/3) / (1/24)</gadget>
<output>104</output>

<result>104</result>