Hope Primary School has 45 students in the fourth grade, 5 more than the fifth grade. The number of students in the sixth grade is 150% of that in the fifth grade. How many people are in the sixth grade?
希望小学四年级有45人，比五年级多5人．六年级的学生人数是五年级的150%．六年级有多少人？
<gadget id="calculator">45 - 5</gadget>
<output>40</output>

<gadget id="calculator">150 / 100</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">40 * (3/2)</gadget>
<output>60</output>

<result>60</result>