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:
| Basic stem (root) | Present stem | Non-present stem | Participle | Verbal noun | Short stem | Meaning |
| --- | --- | --- | --- | --- | --- | --- |
| -tor- | -ator- | -etor- | e-torr-i | e-tor-tze | e-tor | 'come' |
| -bil- | -abil- | -ebil- | i-bil-i | i-bil-tze | i-bil | 'go about' |
| -kar- | -akar- | -ekar- | e-karr-i | e-kar-tze | e-kar | 'bring' |
| -uka- (< -duka-) | -auka- | -euka- | e-duki | e-duki-tze | e-duki | 'hold, have' |
| (irregular: see below) | (irregular: see below) | (irregular: see below) | i-za-n | i-za-te | i-za-n | 'be', auxiliary |
| -go- | -ago- | -ego- | e-go-n | e-go-te | e-go-n | 'stay, be' |
| -oa- | -oa- | -i(h)oa- | j-oa-n | j-oa-te | j-oa-n | 'go' |
| -rama- | -arama- | -erama- | e-rama-n | e-rama-te | e-rama-n | 'take' |
Question:
What's the number of verbal nouns with the basic stem (root) -bil-?
Answer:
1.0