I would love to know how much energy a black body absorbs from the visible light.

In the following site we can calculate the eV of a given wavelength, but if I'd like to know the sum of eV for the whole range, hence for color black. How much would it be? .

I understand it'd be the integral of the function of the solar spectrum between those ranges. But looking for the solar curve in visible light range it seems a bit tricky.

The following seems to be the solar function at sea level : https://sunwindsolar.com/wp-content/uploads/2013/09/insolation-curve-adjusted.jpg

Is it possible then to calculate how much energy is in the whole visible light range? Would it be the same to energy absorbed by a 100% black item?

And could that calculation be transformed to watts per second per square meter?

Thanks