There are 45 students in the fourth grade of the experimental primary school, and the number of students in the fifth grade is 1.2 times that of the fourth grade, which is 3 people less. How many students are there in the fifth grade? (solution by equation)
实验小学四年级有学生45人，五年级的学生人数是四年级的1.2倍少3人，五年级有学生多少人？(用方程解)
<gadget id="calculator">45 * 1.2</gadget>
<output>54</output>

<gadget id="calculator">54 - 3</gadget>
<output>51</output>

<result>51</result>