Terms for subject Mathematics containing сколько... столько

Russian	English
имеется столько же уравнений 5, сколько и пар точек	there are as many equations 5 as there are pairs of points
ровно столько ... , сколько нужно для	just enough
столько же сколько	as many ... as
столько ... сколько ... бы	the sun radiates as mach energy every second as would be released by the explosion of several billion atomic bombs