**Fill in the blanks to solve $102\times4$.** $$ | $\blueD{102}\times \greenD4$ - | - Step $1$ | $\greenD4\times$ [[☃ input-number 1]] Step $2$ | $\greenD4 \times \ ( \blueD{100} + \ $[[☃ input-number 6]] $)$ Step $3$ | $400 + \ $ [[☃ input-number 7]] Step $4$ | [[☃ input-number 8]]