Find the value of following expression and express the answer in international number system <br> 21344 + 9246382 =

Question

$\begin{array}{11} (a)\; \text{92, 67, 726} \\ (b)\; \text{9, 26, 7726} \\ (c)\; \text{9, 267, 726} \\ (d)\; \text{926, 772, 6} \end{array}$