context: West Nusa Tenggara consists of Lombok Island and Sumbawa Island, having an area of ​​20,153.15 km2. Located between 115 ° 46 '- 119 ° 5' East Longitude and 8 ° 10 '- 9 ° g 5' South Latitude. Selong is the city that has the highest altitude, which is 148 m above sea level, while the lowest Raba with 13 m above sea level. Of the seven mountains on the island of Lombok, Mount Rinjani is the highest mountain with an altitude of 3,775 m, while Mount Tambora is the highest mountain on Sumbawa with an altitude of 2,851 m.
question: what is the area of ​​West Nusa Tenggara Province?
answers.text: 20,153.15 km2