In a fruit shop, 2 kilograms of pears sell for 5 yuan, and 3 kilograms of bananas sell for 10 yuan. Xiao Ming's mother wants to buy 6 kilograms of pears and 9 kilograms of bananas. How much is the total cost?
水果店2千克梨售价5元，3千克香蕉售价10元．小明的妈妈要买6千克梨和9千克香蕉，共需多少元？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) * 2</gadget>
<output>5</output>

<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">(10/3) * 9</gadget>
<output>30</output>

<gadget id="calculator">5 + 30</gadget>
<output>35</output>

<result>35</result>