In a fruit shop, 2 kilograms of apples sell for 3 yuan, and 3 kilograms of bananas sell for 15 yuan. Uncle Li plans to buy 8 kg of apples and 9 kg of bananas, how much will it cost?
水果店2千克苹果售价3元，3千克香蕉售价15元．李叔叔打算买8千克苹果和9千克香蕉，需要多少钱？
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) * 8</gadget>
<output>12</output>

<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<gadget id="calculator">5 * 9</gadget>
<output>45</output>

<gadget id="calculator">12 + 45</gadget>
<output>57</output>

<result>57</result>