Mom distributes pocket money to Xiaoming, Xiaohua, Xiaogang, Xiaoming's money is 1/2 of the other two, Xiaohua's money is 1/4 of the other two, Xiaogang has 49 yuan ． How much did my mother send out?
妈妈分给小明、小华，小刚零花钱，小明的钱数是其余两人的(1/2)，小华的钱数是其余两人的(1/4)，小刚有是49元．妈妈共发出去多少钱？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/3) - (1/5)</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">49 / (7/15)</gadget>
<output>105</output>

<result>105</result>