The school bought 35 footballs and 35 volleyballs each, 68 yuan for each football, and 42 yuan for each volleyball. How much did you spend on buying footballs and volleyballs?
学校买来足球和排球各35个，每个足球68元，每个排球42元，买足球和排球共花多少元钱？
<gadget id="calculator">68 * 35</gadget>
<output>2_380</output>

<gadget id="calculator">42 * 35</gadget>
<output>1_470</output>

<gadget id="calculator">2_380 + 1_470</gadget>
<output>3_850</output>

<result>3_850</result>