There are 45 students in Class 1 of Guangming Primary School, accounting for about 1.5% of the whole school. How many students are there in the whole school?
光明小学六1班有学生45人，约占全校人数的1.5%，全校大约有学生多少人？
<gadget id="calculator">1.5 / 100</gadget>
<output>0.015</output>

<gadget id="calculator">45 / 0.015</gadget>
<output>3_000</output>

<result>3_000</result>