There are 45 students in a sixth grade class. After a physical examination, the teacher announces that the whole class (2/9) is overweight. How many students in this class are overweight?
六年级某班共有45名学生，一次体格检验后，老师宣布全班(2/9)的同学体重超标，那么这个班体重超标的学生有多少名．
<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>