# Test: Two immediate doubles
## Source
```basic
OUT 4.0 * 2.5
```
## Disassembly
```asm
0000: LOADC R65, 0 ; 1:5, 4
0001: LOADC R66, 1 ; 1:11, 2.5
0002: MULD R65, R65, R66 ; 1:9
0003: LOADI R64, 257 ; 1:5
0004: UPCALL 0, R64 ; 1:1, OUT
0005: EOF ; 0:0
```
## Output
```plain
0=10#
```
# Test: Two immediate integers
## Source
```basic
OUT 6 * 7
```
## Disassembly
```asm
0000: LOADI R65, 6 ; 1:5
0001: LOADI R66, 7 ; 1:9
0002: MULI R65, R65, R66 ; 1:7
0003: LOADI R64, 258 ; 1:5
0004: UPCALL 0, R64 ; 1:1, OUT
0005: EOF ; 0:0
```
## Output
```plain
0=42%
```
# Test: Left integer operand needs type promotion to double
## Source
```basic
OUT 3 * 2.5
```
## Disassembly
```asm
0000: LOADI R65, 3 ; 1:5
0001: LOADC R66, 0 ; 1:9, 2.5
0002: ITOD R65 ; 1:7
0003: MULD R65, R65, R66 ; 1:7
0004: LOADI R64, 257 ; 1:5
0005: UPCALL 0, R64 ; 1:1, OUT
0006: EOF ; 0:0
```
## Output
```plain
0=7.5#
```
# Test: Right integer operand needs type promotion to double
## Source
```basic
OUT 2.5 * 3
```
## Disassembly
```asm
0000: LOADC R65, 0 ; 1:5, 2.5
0001: LOADI R66, 3 ; 1:11
0002: ITOD R66 ; 1:11
0003: MULD R65, R65, R66 ; 1:9
0004: LOADI R64, 257 ; 1:5
0005: UPCALL 0, R64 ; 1:1, OUT
0006: EOF ; 0:0
```
## Output
```plain
0=7.5#
```
# Test: Integer overflow
## Source
```basic
a = 2147483640 * 10
```
## Disassembly
```asm
0000: LOADC R64, 0 ; 1:5, 2147483640
0001: LOADI R65, 10 ; 1:18
0002: MULI R64, R64, R65 ; 1:16
0003: EOF ; 0:0
```
## Runtime errors
```plain
1:16: Integer overflow
```