Texas Integrated School has 15 classes and has 20 students per class.  They added five more classes, how many students will they have now?
The school has 15 x 20 = 
<gadget id="calculator">15*20</gadget>
<output>300</output>
300 students right now.
They have an additional 5 x 20 = 
<gadget id="calculator">5*20</gadget>
<output>100</output>
100 students after adding 5 more classes.
Therefore, Texas Integrated School will have a total of 300+100= 
<gadget id="calculator">300+100</gadget>
<output>400</output>
400 students.

<result>400</result>