Flour is 6.7 yuan per kilogram, and rice is 5.5 yuan per kilogram. Mom buys 15 kilograms of flour and 15 kilograms of rice. How much will she pay in total?
面粉每千克6.7元，大米每千克5.5元，妈妈买面粉和大米各15千克，一共要付多少钱？
<gadget id="calculator">6.7 * 15</gadget>
<output>100.5</output>

<gadget id="calculator">5.5 * 15</gadget>
<output>82.5</output>

<gadget id="calculator">100.5 + 82.5</gadget>
<output>183</output>

<result>183</result>