<prompt> Nini leftfrac67kulia2 cdot leftfrac12kulia2?  <response>: Tangu leftfracabrightj cdot leftfraccdrightj leftfraca cdot cb cdot dkuliaj, tunajua leftfrac67right2 cdot leftfrac12right2 kushotofrac6 cdot 17 cdot 2kulia2. Kwa kurahisisha, tuna leftfrac37right2 frac3272, kwa sababu leftfracab kulian fracanbn. Tunajua 32 9 na 72 49, kwa hivyo jibu letu ni frac949. 