If latent heat of fusion of ice is 3.34 x 105 J/kg, what is…

If latent heat of fusion of ice is 3.34 x 105 J/kg, what is the amount of heat required to melt completely 400 g of ice without a temperature change?(i)     1.34 x 105 J (ii)    2.68 x 105 J (iii)   13.44 x 105 J (iv)   26.8 x 105 J