lea instruction example; calculate value with lea instruction

Question

%rax = 0x532
%rdx = 0x48

value (8-byte) at address:
0x532 = 0x897,
0x540 = 0x152,
0x548 = 0x238

leaq (%rax,%rdx),%rcx
value in %rcx = ?

I don\'t k