Mom went to the supermarket and bought 2 boxes of milk and a few small bags of flour, which cost 92 yuan in total. The unit price of milk is 38.8 yuan/box, and the unit price of a small bag of flour is 3.6 yuan/bag. How many small bags of flour did mom buy?
妈妈去超市买了2箱牛奶和几小袋面粉，一共用去92元．牛奶的单价是38.8元/箱，小袋面粉的单价是3.6元/袋．妈妈买了几小袋面粉？
<gadget id="calculator">38.8 * 2</gadget>
<output>77.6</output>

<gadget id="calculator">92 - 77.6</gadget>
<output>14.4</output>

<gadget id="calculator">14.4 / 3.6</gadget>
<output>4</output>

<result>4</result>