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:
| Unit | Russian | Translation | Ratio | Cubic inches (exact) | Metric value | Imperial | US Customary |
| --- | --- | --- | --- | --- | --- | --- | --- |
| shkalik | шка́лик | measure | 1/200 | 3¾ | 61.5 mL | 2.16 fl. oz. | 2.08 fl. oz. |
| kosushka | косу́шка | shot | 1/200 | 3¾ | 61.5 mL | 2.16 fl. oz. | 2.08 fl. oz. |
| charka | ча́рка | wine glass | 1/100 | 7½ | 123 mL | 4.33 fl. oz. | 4.16 fl. oz. |
| butylka (vodochnaya) | буты́лка ( во́дочная ) | bottle (vodka) | 1/20 | 37½ | 615 mL | 1.08 pt | 1.3 pt |
| butylka (vinnaya) | буты́лка ( ви́нная ) | bottle (wine) | 1/16 | 46⅞ | 768.7 mL | 1.35 pt | 1.625 pt |
| kruzhka | кру́жка | mug | 1/10 | 75 | 1.23 L | 1.08 qt | 1.3 qt |
| shtof | штоф | flagon | 1/10 | 75 | 1.23 L | 1.08 qt | 1.3 qt |
| chetvert | че́тверть | quarter | 1/8 | 93 ¾ | 1.537 L | 1.35 qt | 1.624 qt |
| vedro | ведро́ | bucket | 1 | 750 | 12.29941 L | 2.71 gal. | 3.249 gal. |
| bochka | бо́чка | barrel | 40 | 30,000 | 491.98 L | 108.22 gal. | 129.967 gal. |
Question:
How big in metric terms is the unit that has a ratio of 1/20?
Answer:
615 mL