The fourth-grade students scored 18 points less than the fifth-grade students in the school science and technology knowledge competition, and the scores of the fifth-grade students were 1.3 times that of the fourth-grade students. How many points did the fourth graders get? (column equation solution)
四年级学生在学校科技知识竞赛中比五年级少得18分，五年级学生的得分是四年级的1.3倍．四年级学生得了多少分？(列方程解答)
<gadget id="calculator">1.3 - 1</gadget>
<output>0.3</output>

<gadget id="calculator">18 / 0.3</gadget>
<output>60</output>

<result>60</result>