Had to do a search around to find out just what a moderate oven meant so thought I'd post it all here cause I can never remember.

(M = gas mark)
Electric Gas
F....... C...... M... Description
225 F 110 C 1/4 Very cool
250 F 130 C 1/2
275 F 140 C 1 cool
300 F 150 C 2
325 F 170 C 3 very moderate
350 F 180 C 4 moderate
375 F 190 C 5
400 F 200 C 6 moderately hot
425 F 220 C 7 hot
450 F 230 C 8
475 F 240 C 9 very hot