How much dollar for entry fees

Depends on how many days you plan on going. The more days the less per day. You can find the prices on their website

For one day at just one park for kids ages 3-9 Mon- Thurs is $120 for Fri- Sun is $140. For Adults Mon-Thurs is $129 and for Fri-Sun is $149. It also depends on days you want to stay and if you want to hop between Disneyland and California Adventure. Prices as follows https://disneyland.disney.go.com/tickets/

There are a few factors involved how many days? How old? And how many parks do you want to visit in a day? You may be able to find all the answers on the Disneyland website.