There are 9 kiwis in a box, 3 yuan each, and 45 people in Class 3 and 2. If each person has 2 kiwis, how many boxes should I buy?
猕猴桃9只一盒，每只3元，三2班45人，如果每人2只，那么要买多少盒？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">45 * (2/9)</gadget>
<output>10</output>

<result>10</result>