[填空题]
A close inspection of an elecui93* p1ssmuoe*1sdk tricuy:l0l6 yr53 e a1 ,tol-jzyvznmyvk 8c8g2 3j circuit reveals that a $480-\Omega$ resistor was inadvertently soldered in the place where a $320-\Omega$ resistor is needed. How can this be fixed without removing anything from the existing circuit? $\Omega$