Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Province | Capital | Area (km²) | Population | Density |
| --- | --- | --- | --- | --- |
| Azua | Azua | 2,531.77 | 298,246 | 118 |
| Bahoruco | Neiba | 1,282.23 | 111,269 | 87 |
| Barahona | Barahona | 1,739.38 | 232,818 | 134 |
| Dajabón | Dajabón | 1,020.73 | 87,274 | 86 |
| Distrito Nacional | Santo Domingo | 104.44 | 1,402,749 | 13,431 |
| Duarte | San Francisco de Macorís | 1,605.35 | 338,649 | 211 |
| El Seibo | El Seibo | 1,786.80 | 110,212 | 62 |
| Elías Piña | Comendador | 1,426.20 | 84,632 | 59 |
| Espaillat | Moca | 838.62 | 333,401 | 398 |
| Hato Mayor | Hato Mayor | 1,329.29 | 103,032 | 78 |
| Hermanas Mirabal | Salcedo | 440.43 | 121,887 | 277 |
| Independencia | Jimaní | 2,006.44 | 74,583 | 37 |
| La Altagracia | Higüey | 3,010.34 | 372,289 | 124 |
| La Romana | La Romana | 653.95 | 344,580 | 527 |
| La Vega | Concepción de La Vega | 2,287.24 | 447,905 | 196 |
| María Trinidad Sánchez | Nagua | 1,271.71 | 195,886 | 154 |
| Monseñor Nouel | Bonao | 992.39 | 203,183 | 205 |
| Monte Cristi | Monte Cristi | 1,924.35 | 150,833 | 78 |
| Monte Plata | Monte Plata | 2,632.14 | 222,641 | 85 |
| Pedernales | Pedernales | 2,074.53 | 52,165 | 25 |
| Peravia | Baní | 792.33 | 217,241 | 274 |
| Puerto Plata | Puerto Plata | 1,852.90 | 498,232 | 269 |
| Samaná | Samaná | 853.74 | 139,707 | 164 |
| San Cristóbal | San Cristóbal | 1,265.77 | 640,066 | 506 |
| San José de Ocoa | San José de Ocoa | 855.40 | 97,640 | 114 |
| San Juan | San Juan de la Maguana | 3,569.39 | 317,293 | 89 |
| San Pedro de Macorís | San Pedro de Macorís | 1,255.46 | 392,911 | 313 |
| Sánchez Ramírez | Cotuí | 1,196.13 | 248,807 | 208 |
| Santiago | Santiago de los Caballeros | 2,836.51 | 1,543,362 | 544 |
| Santiago Rodríguez | Sabaneta | 1,111.14 | 99,044 | 89 |
| Santo Domingo | Santo Domingo Este | 1,296.35 | 3,263,053 | 2,517 |
| Valverde | Mao | 823.38 | 217,026 | 264 |
| Total |  | 48,666.83 | 12,935,223 | 266 |
Question:
what is the difference between the area of san cristobal and puerto plata?
Answer:
587.13