Catherine thinks of $ 7287 \div 7$ as an area problem:
> 
She splits the rectangle into parts that are easily divisible by $7$:
> 
**Fill in the blanks.**
$\purple{a}=$ [[☃ input-number 1]] units
$\blue{b}=$ [[☃ input-number 2]] units
$\green{c}=$ [[☃ input-number 3]] units
$w = $ [[☃ input-number 4]] units
$7287 \div 7 =$ [[☃ input-number 5]]