What will be the output generated from the given type conversion instructions in JavaScript?

$(11+$ null $)$

$(11+$ null$)$

$(11+$ null$)$

$(11+2)$

$(11-2)$

$(11*2)$

$(11*2)$

$(\frac{11}{2})$

$(1182)$

$11$null $11$null $11$null $112922225\mathrm{.}51$

$11$null $11$null $11$null $13922225\mathrm{.}51$

$1111$ null $11$ null $112922225\mathrm{.}51$

$11$null $11$null $11$null $139221125\mathrm{.}51$