Mom went to the supermarket to buy some vegetables, fruits and a soybean milk machine, and paid a total of 178.6 yuan. Among them, it costs 38.2 yuan to buy fruit, which is 15.5 yuan more than buying vegetables. How much does the soybean milk machine cost?
妈妈去超市购买了一些蔬菜、水果和一台豆浆机，一共付款178.6元．其中购买水果用去了38.2元，比较购买蔬菜多用了15.5元，豆浆机需要多少元？
<gadget id="calculator">38.2 - 15.5</gadget>
<output>22.7</output>

<gadget id="calculator">178.6 - 38.2 - 22.7</gadget>
<output>117.7</output>

<result>117.7</result>