Mom first bought tomatoes for 3 yuan and 4 cents, and then cucumbers for 5 yuan and 2 cents. How much did my mother spend in total?
妈妈先买了3元4角的西红柿，又买了5元2角的黄瓜，妈妈一共花了多少元？
<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 + (2/5)</gadget>
<output>17/5 = around 3.4</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">5 + (1/5)</gadget>
<output>26/5 = around 5.2</output>

<gadget id="calculator">(17/5) + (26/5)</gadget>
<output>43/5 = around 8.6</output>

<result>43/5 = around 8.6</result>