In a building, there are a hundred ladies on the first-floor studying. There are three times that many girls at a party being held on the second floor of the building. How many ladies are on the two floors in total?
If there are a hundred ladies in the living room and three times that many girls at the party, there are 3*100=
<gadget id="calculator">3*100</gadget>
<output>300</output>
300 girls at the party.
In the building there are 100+300=
<gadget id="calculator">100+300</gadget>
<output>400</output>
400 ladies.

<result>400</result>